diff --git a/eslint.config.ts b/eslint.config.ts
index 323197067e..9e40b282ae 100644
--- a/eslint.config.ts
+++ b/eslint.config.ts
@@ -93,14 +93,13 @@ export default [
       'no-redeclare': 'off', // Allow function overloads in TypeScript
       'i18n-text/no-en': 'off', // This rule causes eslint to not run at all
       'filenames/match-regex': 'off', // This rule causes eslint to not run at all
+      camelcase: 'off', // Many gh apis use underscores, 600+ uses
 
       // Disabled rules to review
       'github/no-then': 'off', // 30+
       '@typescript-eslint/ban-ts-comment': 'off', // 50+
       'no-shadow': 'off', // 150+
-      'prefer-template': 'off', // 150+
       'github/array-foreach': 'off', // 250+
-      camelcase: 'off', // 600+
       'no-console': 'off', // 800+
       '@typescript-eslint/no-explicit-any': 'off', // 1000+
     },
diff --git a/src/app/lib/language-utils.ts b/src/app/lib/language-utils.ts
index 173f4e9a1f..c3c88dea62 100644
--- a/src/app/lib/language-utils.ts
+++ b/src/app/lib/language-utils.ts
@@ -34,7 +34,7 @@ export function hasLanguagePrefix(path: string): boolean {
 export function stripLanguagePrefix(path: string): string {
   if (hasLanguagePrefix(path)) {
     const pathSegments = path.split('/')
-    return '/' + pathSegments.slice(2).join('/')
+    return `/${pathSegments.slice(2).join('/')}`
   }
   return path
 }
diff --git a/src/archives/middleware/archived-enterprise-versions.ts b/src/archives/middleware/archived-enterprise-versions.ts
index 848a151f0e..74dbf9caf2 100644
--- a/src/archives/middleware/archived-enterprise-versions.ts
+++ b/src/archives/middleware/archived-enterprise-versions.ts
@@ -353,14 +353,14 @@ function getProxyPath(reqPath: string, requestedVersion: string) {
 
   // Releases 2.18 and higher
   if (versionSatisfiesRange(requestedVersion, `>${lastVersionWithoutArchivedRedirectsFile}`)) {
-    const newReqPath = reqPath.includes('redirects.json') ? `/${reqPath}` : reqPath + '/index.html'
+    const newReqPath = reqPath.includes('redirects.json') ? `/${reqPath}` : `${reqPath}/index.html`
     return ENTERPRISE_GH_PAGES_URL_PREFIX + requestedVersion + newReqPath
   }
 
   // Releases 2.13 - 2.17
   // redirect.json files don't exist for these versions
   if (versionSatisfiesRange(requestedVersion, `>=2.13`)) {
-    return ENTERPRISE_GH_PAGES_URL_PREFIX + requestedVersion + reqPath + '/index.html'
+    return `${ENTERPRISE_GH_PAGES_URL_PREFIX + requestedVersion + reqPath}/index.html`
   }
 
   // Releases 2.12 and lower
diff --git a/src/article-api/middleware/article.ts b/src/article-api/middleware/article.ts
index eca1e0a97f..2d73067da1 100644
--- a/src/article-api/middleware/article.ts
+++ b/src/article-api/middleware/article.ts
@@ -167,7 +167,7 @@ function incrementArticleLookup(
   const source =
     req.get('X-Request-Source') ||
     (req.get('Referer')
-      ? 'external-' + (new URL(req.get('Referer') || '').hostname || 'unknown')
+      ? `external-${new URL(req.get('Referer') || '').hostname || 'unknown'}`
       : 'external')
 
   const tags = [
diff --git a/src/article-api/scripts/generate-api-docs.ts b/src/article-api/scripts/generate-api-docs.ts
index bddac9a9c1..81b9cad96a 100644
--- a/src/article-api/scripts/generate-api-docs.ts
+++ b/src/article-api/scripts/generate-api-docs.ts
@@ -156,10 +156,10 @@ function updateReadme(readmePath: string, markdown: string): void {
 
     // Replace API documentation section, or append to end
     if (readme.includes(placeholderComment)) {
-      const pattern = new RegExp(placeholderComment + '[\\s\\S]*', 'g')
-      readme = readme.replace(pattern, placeholderComment + '\n' + markdown)
+      const pattern = new RegExp(`${placeholderComment}[\\s\\S]*`, 'g')
+      readme = readme.replace(pattern, `${placeholderComment}\n${markdown}`)
     } else {
-      readme += '\n' + markdown
+      readme += `\n${markdown}`
     }
 
     writeFileSync(readmePath, readme)
diff --git a/src/assets/tests/dynamic-assets.ts b/src/assets/tests/dynamic-assets.ts
index b889735b00..9bfb457a6f 100644
--- a/src/assets/tests/dynamic-assets.ts
+++ b/src/assets/tests/dynamic-assets.ts
@@ -103,7 +103,7 @@ describe('dynamic assets', () => {
   })
 
   test.each(['key', 'key=value'])('any query string (%p) triggers a redirect', async (qs) => {
-    const res = await get('/assets/images/_fixtures/screenshot.webp?' + qs)
+    const res = await get(`/assets/images/_fixtures/screenshot.webp?${qs}`)
     expect(res.statusCode).toBe(302)
     expect(res.headers.location).toBe('/assets/images/_fixtures/screenshot.webp')
     expect(res.headers['cache-control']).toContain('public')
diff --git a/src/assets/tests/static-assets.ts b/src/assets/tests/static-assets.ts
index 479b6af44f..272aa86201 100644
--- a/src/assets/tests/static-assets.ts
+++ b/src/assets/tests/static-assets.ts
@@ -113,7 +113,7 @@ describe('static assets', () => {
     // This picks the first one found. We just need it to be anything
     // that actually resolves.
     const filePath = getNextStaticAsset('css')
-    const asURL = '/' + filePath.replace('.next', '_next').split(path.sep).join('/')
+    const asURL = `/${filePath.replace('.next', '_next').split(path.sep).join('/')}`
     const res = await get(asURL)
     expect(res.statusCode).toBe(200)
     checkCachingHeaders(res)
diff --git a/src/codeql-cli/scripts/sync.ts b/src/codeql-cli/scripts/sync.ts
index 407b96e056..5f360da6bf 100755
--- a/src/codeql-cli/scripts/sync.ts
+++ b/src/codeql-cli/scripts/sync.ts
@@ -41,7 +41,7 @@ async function main() {
     const matchHeading = '## Options\n'
     const primaryHeadingSourceContent = sourceContent.replace(
       matchHeading,
-      matchHeading + '\n### Primary Options\n',
+      `${matchHeading}\n### Primary Options\n`,
     )
     const currentFileName = path.basename(file)
     const { data, content } = await convertContentToDocs(
diff --git a/src/codeql-cli/tests/test-circular-links.ts b/src/codeql-cli/tests/test-circular-links.ts
index d8a2def89d..651d5ebc0d 100644
--- a/src/codeql-cli/tests/test-circular-links.ts
+++ b/src/codeql-cli/tests/test-circular-links.ts
@@ -56,7 +56,7 @@ async function testCircularLinkFix(): Promise<boolean> {
     }
 
     console.log('\n--- Generated content preview ---')
-    console.log(result1.content.substring(0, 800) + '...')
+    console.log(`${result1.content.substring(0, 800)}...`)
 
     return !hasCircularLink && hasValidLink
   } catch (error) {
diff --git a/src/content-linter/lib/linting-rules/code-annotation-comment-spacing.ts b/src/content-linter/lib/linting-rules/code-annotation-comment-spacing.ts
index 26ac674bc6..96c69dcb2d 100644
--- a/src/content-linter/lib/linting-rules/code-annotation-comment-spacing.ts
+++ b/src/content-linter/lib/linting-rules/code-annotation-comment-spacing.ts
@@ -81,7 +81,7 @@ export const codeAnnotationCommentSpacing = {
             // No space after comment character - this is an error
             const lineNumber: number = token.lineNumber + index + 1
             const leadingWhitespace: string = line.match(/^\s*/)![0]
-            const fixedLine: string = leadingWhitespace + commentChar + ' ' + restOfLine
+            const fixedLine: string = `${leadingWhitespace + commentChar} ${restOfLine}`
 
             addError(
               onError,
diff --git a/src/content-linter/lib/linting-rules/image-alt-text-end-punctuation.ts b/src/content-linter/lib/linting-rules/image-alt-text-end-punctuation.ts
index c78c29e350..d00b881996 100644
--- a/src/content-linter/lib/linting-rules/image-alt-text-end-punctuation.ts
+++ b/src/content-linter/lib/linting-rules/image-alt-text-end-punctuation.ts
@@ -26,7 +26,7 @@ export const imageAltTextEndPunctuation: Rule = {
 
       const range = getRange(token.line, imageAltText)
 
-      addFixErrorDetail(onError, token.lineNumber, imageAltText + '.', imageAltText, range, {
+      addFixErrorDetail(onError, token.lineNumber, `${imageAltText}.`, imageAltText, range, {
         lineNumber: token.lineNumber,
         editColumn: isStringQuoted(imageAltText)
           ? token.line.indexOf(']')
diff --git a/src/content-linter/lib/linting-rules/link-quotation.ts b/src/content-linter/lib/linting-rules/link-quotation.ts
index 9d4eb089a1..609896ec5f 100644
--- a/src/content-linter/lib/linting-rules/link-quotation.ts
+++ b/src/content-linter/lib/linting-rules/link-quotation.ts
@@ -26,7 +26,7 @@ export const linkQuotation: Rule = {
         } else if (inLinkWithPrecedingQuotes && child.type === 'text') {
           content.push(escapeRegExp((child.content || '').trim()))
         } else if (inLinkWithPrecedingQuotes && child.type === 'code_inline') {
-          content.push('`' + escapeRegExp((child.content || '').trim()) + '`')
+          content.push(`\`${escapeRegExp((child.content || '').trim())}\``)
         } else if (child.type === 'link_close') {
           const title = content.join(' ')
           const regex = new RegExp(`"\\[${title}\\]\\(${linkUrl}\\)({%.*%})?(!|\\.|\\?|,)?"`)
@@ -44,7 +44,7 @@ export const linkQuotation: Rule = {
               newLine = newLine.slice(0, -1)
             }
             if (newLine.endsWith('".')) {
-              newLine = newLine.slice(0, -2) + '.'
+              newLine = `${newLine.slice(0, -2)}.`
             }
             const lineNumber = child.lineNumber
             addError(
diff --git a/src/content-linter/lib/linting-rules/liquid-ifversion-versions.ts b/src/content-linter/lib/linting-rules/liquid-ifversion-versions.ts
index 97da99f41a..8748bbca12 100644
--- a/src/content-linter/lib/linting-rules/liquid-ifversion-versions.ts
+++ b/src/content-linter/lib/linting-rules/liquid-ifversion-versions.ts
@@ -104,7 +104,7 @@ function setLiquidErrors(condTagItems: any[], onError: RuleErrorCallback, lines:
   for (let i = 0; i < condTagItems.length; i++) {
     const item = condTagItems[i]
     const tagNameNoCond = item.name === 'endif' || item.name === 'else'
-    const itemErrorName = tagNameNoCond ? item.name : item.name + ' ' + item.cond
+    const itemErrorName = tagNameNoCond ? item.name : `${item.name} ${item.cond}`
 
     if (item.action.type === 'delete') {
       // There is no next stack item, the endif tag is alway the
@@ -438,7 +438,7 @@ function updateConditionals(condTagItems: any[]) {
         const newVersions = Object.entries(item.versionsObj).map(([key, value]) => {
           if (key === 'ghes') {
             if (value === '*') return key
-            return key + ' ' + value
+            return `${key} ${value}`
           } else return key
         })
         item.action.cond = newVersions.join(' or ')
diff --git a/src/content-linter/lib/linting-rules/liquid-syntax.ts b/src/content-linter/lib/linting-rules/liquid-syntax.ts
index 1203b7e073..efab53c928 100644
--- a/src/content-linter/lib/linting-rules/liquid-syntax.ts
+++ b/src/content-linter/lib/linting-rules/liquid-syntax.ts
@@ -55,7 +55,7 @@ export const frontmatterLiquidSyntax = {
         addError(
           onError,
           lineNumber,
-          'Liquid syntax error: ' + errorDescription,
+          `Liquid syntax error: ${errorDescription}`,
           value,
           range,
           null, // No fix possible
@@ -92,7 +92,7 @@ export const liquidSyntax = {
       addError(
         onError,
         lineNumber,
-        'Liquid syntax error: ' + errorDescription,
+        `Liquid syntax error: ${errorDescription}`,
         line,
         range,
         null, // No fix possible
diff --git a/src/content-linter/lib/linting-rules/liquid-tag-whitespace.ts b/src/content-linter/lib/linting-rules/liquid-tag-whitespace.ts
index 3b06630ac4..e0678607ac 100644
--- a/src/content-linter/lib/linting-rules/liquid-tag-whitespace.ts
+++ b/src/content-linter/lib/linting-rules/liquid-tag-whitespace.ts
@@ -46,14 +46,13 @@ export const liquidTagWhitespace: Rule = {
       const openTag = tag.slice(0, token.contentRange[0] - token.begin)
       const closeTag = tag.slice(-(token.end - token.contentRange[1]))
 
-      const isOpenTagOneSpace = openTag !== openTag.trim() + ' '
-      const isCloseTagOneSpace = closeTag !== ' ' + closeTag.trim()
+      const isOpenTagOneSpace = openTag !== `${openTag.trim()} `
+      const isCloseTagOneSpace = closeTag !== ` ${closeTag.trim()}`
 
       const moreThanOneSpace = /\s{2,}/
       const isArgOneSpace = moreThanOneSpace.test(tag)
 
-      const fixedContent =
-        openTag.trim() + ' ' + token.content.replace(moreThanOneSpace, ' ') + ' ' + closeTag.trim()
+      const fixedContent = `${openTag.trim()} ${token.content.replace(moreThanOneSpace, ' ')} ${closeTag.trim()}`
 
       if (isOpenTagOneSpace || isCloseTagOneSpace || isArgOneSpace) {
         addFixErrorDetail(
diff --git a/src/content-linter/lib/linting-rules/octicon-aria-labels.ts b/src/content-linter/lib/linting-rules/octicon-aria-labels.ts
index a3eb531395..376c67185f 100644
--- a/src/content-linter/lib/linting-rules/octicon-aria-labels.ts
+++ b/src/content-linter/lib/linting-rules/octicon-aria-labels.ts
@@ -37,7 +37,7 @@ export const octiconAriaLabels: Rule = {
         const octiconNameMatch = token.args.match(/["']([^"']+)["']/)
         const octiconName = octiconNameMatch ? octiconNameMatch[1] : 'icon'
         const originalContent = token.content
-        const fixedContent = originalContent + ` aria-label="${octiconName}"`
+        const fixedContent = `${originalContent} aria-label="${octiconName}"`
 
         addFixErrorDetail(
           onError,
diff --git a/src/content-linter/scripts/find-unsed-variables.ts b/src/content-linter/scripts/find-unsed-variables.ts
index 2e6a5560b8..4fbd0ff085 100644
--- a/src/content-linter/scripts/find-unsed-variables.ts
+++ b/src/content-linter/scripts/find-unsed-variables.ts
@@ -104,11 +104,10 @@ async function main(options: Options) {
 function getVariables(): Map<string, string> {
   const variables = new Map<string, string>()
   for (const filePath of walkFiles('data/variables', '.yml')) {
-    const dottedPathBase =
-      'variables.' + filePath.replace('data/variables/', '').replace('.yml', '').replace(/\//g, '.')
+    const dottedPathBase = `variables.${filePath.replace('data/variables/', '').replace('.yml', '').replace(/\//g, '.')}`
     const data = yaml.load(fs.readFileSync(filePath, 'utf-8')) as Record<string, unknown>
     for (const key of Object.keys(data)) {
-      const dottedPath = dottedPathBase + '.' + key
+      const dottedPath = `${dottedPathBase}.${key}`
       variables.set(dottedPath, filePath)
     }
   }
diff --git a/src/content-linter/scripts/pretty-print-results.ts b/src/content-linter/scripts/pretty-print-results.ts
index 615fb812ef..d447b1170c 100644
--- a/src/content-linter/scripts/pretty-print-results.ts
+++ b/src/content-linter/scripts/pretty-print-results.ts
@@ -170,14 +170,14 @@ function indentWrappedString(str: string, startingIndent: number): string {
 
     if ((currentLine + word).length > effectiveWidth) {
       if (isFirstLine) {
-        indentedString += currentLine.trim() + '\n'
+        indentedString += `${currentLine.trim()}\n`
         isFirstLine = false
       } else {
-        indentedString += NEW_LINE_PADDING + currentLine.trim() + '\n'
+        indentedString += `${NEW_LINE_PADDING + currentLine.trim()}\n`
       }
-      currentLine = word + ' '
+      currentLine = `${word} `
     } else {
-      currentLine += word + ' '
+      currentLine += `${word} `
     }
   }
   if (isFirstLine) {
diff --git a/src/content-linter/tests/unit/outdated-release-phase-terminology.ts b/src/content-linter/tests/unit/outdated-release-phase-terminology.ts
index 166a012614..d986c769b8 100644
--- a/src/content-linter/tests/unit/outdated-release-phase-terminology.ts
+++ b/src/content-linter/tests/unit/outdated-release-phase-terminology.ts
@@ -145,7 +145,7 @@ describe(outdatedReleasePhaseTerminology.names.join(' - '), () => {
     const markdown = ['This feature is in beta.'].join('\n')
     const result = await runRule(outdatedReleasePhaseTerminology, {
       strings: {
-        markdown: frontmatter + '\n' + markdown,
+        markdown: `${frontmatter}\n${markdown}`,
       },
     })
     const errors = result.markdown
diff --git a/src/content-render/liquid/octicon.ts b/src/content-render/liquid/octicon.ts
index 3a9e1c72c5..88bab333cf 100644
--- a/src/content-render/liquid/octicon.ts
+++ b/src/content-render/liquid/octicon.ts
@@ -18,7 +18,7 @@ interface OcticonsMatch {
 }
 
 const OptionsSyntax = /([a-zA-Z-]+)="([\w\s-]+)"*/g
-const Syntax = new RegExp('"(?<icon>[a-zA-Z-]+)"(?<options>(?:\\s' + OptionsSyntax.source + ')*)')
+const Syntax = new RegExp(`"(?<icon>[a-zA-Z-]+)"(?<options>(?:\\s${OptionsSyntax.source})*)`)
 const SyntaxHelp = 'Syntax Error in tag \'octicon\' - Valid syntax: octicon "<name>" <key="value">'
 
 /**
diff --git a/src/content-render/scripts/move-content.ts b/src/content-render/scripts/move-content.ts
index 018b98b57d..2a699d7c00 100755
--- a/src/content-render/scripts/move-content.ts
+++ b/src/content-render/scripts/move-content.ts
@@ -268,7 +268,7 @@ function makeHref(root, filePath) {
   } else {
     nameSplit.push(nameSplit.pop().replace(/\.md$/, ''))
   }
-  return '/' + nameSplit.join('/')
+  return `/${nameSplit.join('/')}`
 }
 
 function moveFolder(oldPath, newPath, files, opts) {
diff --git a/src/content-render/scripts/reusables-cli/find/unused.ts b/src/content-render/scripts/reusables-cli/find/unused.ts
index e3d0e893d7..82feb590ab 100644
--- a/src/content-render/scripts/reusables-cli/find/unused.ts
+++ b/src/content-render/scripts/reusables-cli/find/unused.ts
@@ -28,7 +28,7 @@ export function findUnused({ absolute }: { absolute: boolean }) {
         (name === 'data' || name === 'indented_data_reference') &&
         args.startsWith('reusables.')
       ) {
-        const reusableName = path.join('data', ...args.split(' ')[0].split('.')) + '.md'
+        const reusableName = `${path.join('data', ...args.split(' ')[0].split('.'))}.md`
         // Special cases where we don't want them to count as reusables. It's an example in a how-to doc
         if (
           reusableName.includes('foo/bar.md') ||
diff --git a/src/content-render/scripts/reusables-cli/find/used.ts b/src/content-render/scripts/reusables-cli/find/used.ts
index c6815cf501..24e1851a1a 100644
--- a/src/content-render/scripts/reusables-cli/find/used.ts
+++ b/src/content-render/scripts/reusables-cli/find/used.ts
@@ -65,7 +65,7 @@ export function findTopUsed(numberOfMostUsedToFind: number, { absolute }: { abso
   console.log(`\nTop ${numberOfMostUsedToFind} most used reusables:`)
   let i = 0
   for (const [reusable, count] of sortedCounts.slice(0, numberOfMostUsedToFind)) {
-    let printReusablePath = path.join('data', ...reusable.split('.')) + '.md'
+    let printReusablePath = `${path.join('data', ...reusable.split('.'))}.md`
     if (absolute) {
       printReusablePath = path.resolve(printReusablePath)
     }
diff --git a/src/content-render/scripts/test-moved-content.ts b/src/content-render/scripts/test-moved-content.ts
index 3916b9158d..7b5dcac101 100644
--- a/src/content-render/scripts/test-moved-content.ts
+++ b/src/content-render/scripts/test-moved-content.ts
@@ -31,7 +31,7 @@ async function main(nameTuple: [string, string]) {
       const parentIndexMd = path.join(path.dirname(after), 'index.md')
       const fileContent = fs.readFileSync(parentIndexMd, 'utf-8')
       const { data } = readFrontmatter(fileContent)
-      const afterShortname = '/' + after.split('/').slice(-1)[0].replace(/\.md$/, '')
+      const afterShortname = `/${after.split('/').slice(-1)[0].replace(/\.md$/, '')}`
       if (data) assert(data.children.includes(afterShortname), `Child ${afterShortname} not found`)
     }
   } else {
@@ -43,7 +43,7 @@ async function main(nameTuple: [string, string]) {
       const parentIndexMd = path.join(path.dirname(after), 'index.md')
       const fileContent = fs.readFileSync(parentIndexMd, 'utf-8')
       const { data } = readFrontmatter(fileContent)
-      const afterShortname = '/' + after.split('/').slice(-1)
+      const afterShortname = `/${after.split('/').slice(-1)}`
       if (data) assert(data.children.includes(afterShortname), `Child ${afterShortname} not found`)
     }
   }
@@ -57,5 +57,5 @@ function makeHref(root: string, filePath: string) {
     const last = nameSplit.pop()
     if (last) nameSplit.push(last.replace(/\.md$/, ''))
   }
-  return '/' + nameSplit.join('/')
+  return `/${nameSplit.join('/')}`
 }
diff --git a/src/content-render/unified/alerts.ts b/src/content-render/unified/alerts.ts
index dd9e3ecc78..5fe2436a7d 100644
--- a/src/content-render/unified/alerts.ts
+++ b/src/content-render/unified/alerts.ts
@@ -43,7 +43,7 @@ export default function alerts({ alertTitles = {} }: { alertTitles?: Record<stri
       }
       const alertType = alertTypes[getAlertKey(node).toUpperCase()]
       node.tagName = 'div'
-      node.properties.className = 'ghd-alert ghd-alert-' + alertType.color
+      node.properties.className = `ghd-alert ghd-alert-${alertType.color}`
       node.properties.dataContainer = 'alert'
       node.children = [
         h(
diff --git a/src/fixtures/tests/playwright-rendering.spec.ts b/src/fixtures/tests/playwright-rendering.spec.ts
index 03c2c65add..bc775209b3 100644
--- a/src/fixtures/tests/playwright-rendering.spec.ts
+++ b/src/fixtures/tests/playwright-rendering.spec.ts
@@ -886,8 +886,8 @@ test.describe('translations', () => {
     // Playwright will cache this redirect, so we need to add something
     // to "cache bust" the URL
     const cb = `?cb=${Math.random()}`
-    await page.goto('/get-started/start-your-journey/hello-world' + cb)
-    await expect(page).toHaveURL('/ja/get-started/start-your-journey/hello-world' + cb)
+    await page.goto(`/get-started/start-your-journey/hello-world${cb}`)
+    await expect(page).toHaveURL(`/ja/get-started/start-your-journey/hello-world${cb}`)
 
     // If you go, with the Japanese cookie, to the English page directly,
     // it will offer a link to the Japanese URL in a banner.
diff --git a/src/frame/components/DefaultLayout.tsx b/src/frame/components/DefaultLayout.tsx
index 411ba1a7c4..a23a377995 100644
--- a/src/frame/components/DefaultLayout.tsx
+++ b/src/frame/components/DefaultLayout.tsx
@@ -64,7 +64,7 @@ export const DefaultLayout = (props: Props) => {
   const metaDescription = page.introPlainText ? page.introPlainText : t('default_description')
 
   const SOCIAL_CATEGORIES = new Set(['code-security', 'actions', 'issues', 'copilot'])
-  const SOCIAL_CARD_IMG_BASE_URL = `${xHost ? 'https://' + xHost : ''}/assets/cb-345/images/social-cards`
+  const SOCIAL_CARD_IMG_BASE_URL = `${xHost ? `https://${xHost}` : ''}/assets/cb-345/images/social-cards`
 
   function getCategoryImageUrl(category: string): string {
     return `${SOCIAL_CARD_IMG_BASE_URL}/${category}.png`
diff --git a/src/frame/components/context/MainContext.tsx b/src/frame/components/context/MainContext.tsx
index 714dadb3a2..f90691cd4d 100644
--- a/src/frame/components/context/MainContext.tsx
+++ b/src/frame/components/context/MainContext.tsx
@@ -266,7 +266,7 @@ export const getMainContext = async (req: any, res: any): Promise<MainContextT>
     enterpriseServerVersions: req.context.enterpriseServerVersions,
     error: req.context.error ? req.context.error.toString() : '',
     featureFlags: {},
-    fullUrl: req.protocol + '://' + req.hostname + req.originalUrl, // does not include port for localhost
+    fullUrl: `${req.protocol}://${req.hostname}${req.originalUrl}`, // does not include port for localhost
     isHomepageVersion: req.context.page?.documentType === 'homepage',
     nonEnterpriseDefaultVersion: req.context.nonEnterpriseDefaultVersion,
     page: pageInfo,
diff --git a/src/frame/lib/get-mini-toc-items.ts b/src/frame/lib/get-mini-toc-items.ts
index e2d0c8cf8f..a701e6bb9e 100644
--- a/src/frame/lib/get-mini-toc-items.ts
+++ b/src/frame/lib/get-mini-toc-items.ts
@@ -174,7 +174,7 @@ export async function getAutomatedPageMiniTocItems(
         for (let i = 0; i < depth; i++) {
           title += '#'
         }
-        return title + ` ${item}\n`
+        return `${title} ${item}\n`
       })
       .join('')
 
diff --git a/src/frame/lib/read-json-file.ts b/src/frame/lib/read-json-file.ts
index 99824f21be..44b6758fd2 100644
--- a/src/frame/lib/read-json-file.ts
+++ b/src/frame/lib/read-json-file.ts
@@ -57,7 +57,7 @@ export function readCompressedJsonFileFallbackLazily(xpath: string): () => any {
     // err is any because fs errors can have various shapes with code property
     if (err.code === 'ENOENT') {
       try {
-        fs.accessSync(xpath + '.br')
+        fs.accessSync(`${xpath}.br`)
       } catch (err: any) {
         // err is any because fs errors can have various shapes with code property
         if (err.code === 'ENOENT') {
diff --git a/src/frame/middleware/find-page.ts b/src/frame/middleware/find-page.ts
index 00b0013da8..617b162d90 100644
--- a/src/frame/middleware/find-page.ts
+++ b/src/frame/middleware/find-page.ts
@@ -110,7 +110,7 @@ async function rereadByPath(
   // but perhaps one day we can always and only do these kinds of lookups
   // at runtime.
   const possible = path.join(contentRoot, withoutVersion)
-  const filePath = existsSync(possible) ? path.join(possible, 'index.md') : possible + '.md'
+  const filePath = existsSync(possible) ? path.join(possible, 'index.md') : `${possible}.md`
   const relativePath = path.relative(contentRoot, filePath)
   const basePath = contentRoot
 
diff --git a/src/frame/middleware/handle-next-data-path.ts b/src/frame/middleware/handle-next-data-path.ts
index 8aff87bbda..882720748c 100644
--- a/src/frame/middleware/handle-next-data-path.ts
+++ b/src/frame/middleware/handle-next-data-path.ts
@@ -30,7 +30,7 @@ export default function handleNextDataPath(
     if (parts[1] === 'free-pro-team@latest') {
       parts.splice(1, 1)
     }
-    req.pagePath = '/' + parts.join('/').replace(/.json+$/, '')
+    req.pagePath = `/${parts.join('/').replace(/.json+$/, '')}`
   } else {
     req.pagePath = req.path
   }
diff --git a/src/frame/middleware/render-page.ts b/src/frame/middleware/render-page.ts
index f647718ef7..eeb2eb0bf9 100644
--- a/src/frame/middleware/render-page.ts
+++ b/src/frame/middleware/render-page.ts
@@ -106,7 +106,7 @@ export default async function renderPage(req: ExtendedRequest, res: Response) {
       req.context.currentVersion === 'free-pro-team@latest' ||
       !allVersions[req.context.currentVersion!]
     ) {
-      page.fullTitle += ' - ' + context.site!.data.ui.header.github_docs
+      page.fullTitle += ` - ${context.site!.data.ui.header.github_docs}`
     } else {
       const { versionTitle } = allVersions[req.context.currentVersion!]
       page.fullTitle += ' - '
@@ -116,7 +116,7 @@ export default async function renderPage(req: ExtendedRequest, res: Response) {
       if (!versionTitle.includes('GitHub')) {
         page.fullTitle += 'GitHub '
       }
-      page.fullTitle += versionTitle + ' Docs'
+      page.fullTitle += `${versionTitle} Docs`
     }
   }
 
diff --git a/src/frame/tests/pages.ts b/src/frame/tests/pages.ts
index af8c4efc41..99d000e884 100644
--- a/src/frame/tests/pages.ts
+++ b/src/frame/tests/pages.ts
@@ -78,16 +78,14 @@ describe('pages module', () => {
         .map(([path]) => path)
 
       // Build a detailed message with sources for each duplicate
-      const message =
-        `Found ${duplicates.length} duplicate redirect_from path${duplicates.length === 1 ? '' : 's'}.
+      const message = `Found ${duplicates.length} duplicate redirect_from path${duplicates.length === 1 ? '' : 's'}.
         Ensure that you don't define the same path more than once in the redirect_from property in a single file and across all English files.
-        You may also receive this error if you have defined the same children property more than once.\n` +
-        duplicates
+        You may also receive this error if you have defined the same children property more than once.\n${duplicates
           .map((dup) => {
             const files = Array.from(redirectToFiles.get(dup) || [])
             return `${dup}\n  Defined in:\n    ${files.join('\n    ')}`
           })
-          .join('\n\n')
+          .join('\n\n')}`
       expect(duplicates.length, message).toBe(0)
     })
 
@@ -136,10 +134,12 @@ describe('pages module', () => {
         .flatten()
         .value()
 
-      const failureMessage =
-        JSON.stringify(frontmatterErrors, null, 2) +
-        '\n\n' +
-        chain(frontmatterErrors).map('filepath').join('\n').value()
+      const failureMessage = `${JSON.stringify(frontmatterErrors, null, 2)}\n\n${chain(
+        frontmatterErrors,
+      )
+        .map('filepath')
+        .join('\n')
+        .value()}`
 
       expect(frontmatterErrors.length, failureMessage).toBe(0)
     })
diff --git a/src/frame/tests/toc-links.ts b/src/frame/tests/toc-links.ts
index 3288fb2179..16dc42c754 100644
--- a/src/frame/tests/toc-links.ts
+++ b/src/frame/tests/toc-links.ts
@@ -47,7 +47,7 @@ describe('toc links', () => {
       }
     }
 
-    const message = 'broken link in a TOC: ' + JSON.stringify(issues, null, 2)
+    const message = `broken link in a TOC: ${JSON.stringify(issues, null, 2)}`
     expect(issues.length, message).toBe(0)
   })
 })
diff --git a/src/ghes-releases/scripts/create-enterprise-issue.ts b/src/ghes-releases/scripts/create-enterprise-issue.ts
index e7fe92ee61..73eda33257 100644
--- a/src/ghes-releases/scripts/create-enterprise-issue.ts
+++ b/src/ghes-releases/scripts/create-enterprise-issue.ts
@@ -359,10 +359,10 @@ async function isExistingIssue(
   let query = encodeURIComponent(`is:issue repo:${repo} `)
 
   if (searchQuery) {
-    query += '+' + searchQuery
+    query += `+${searchQuery}`
   }
   if (labelQuery) {
-    query += '+' + labelQuery
+    query += `+${labelQuery}`
   }
 
   const issues = await octokit.request(`GET /search/issues?q=${query}`)
diff --git a/src/ghes-releases/scripts/deprecate/update-content.ts b/src/ghes-releases/scripts/deprecate/update-content.ts
index 86cf54309f..36d0e56ef8 100644
--- a/src/ghes-releases/scripts/deprecate/update-content.ts
+++ b/src/ghes-releases/scripts/deprecate/update-content.ts
@@ -28,7 +28,7 @@ export function updateContentFiles() {
     let featureData = undefined
 
     if (data.versions.feature) {
-      const featureFilePath = 'data/features/' + data.versions.feature + '.yml'
+      const featureFilePath = `data/features/${data.versions.feature}.yml`
       const featureContent = fs.readFileSync(featureFilePath, 'utf8')
       featureData = yaml.load(featureContent) as featureDataType
       if (!featureData || !featureData.versions)
@@ -117,8 +117,8 @@ function removeFileUpdateParent(filePath: string) {
   if (!data) return
   // Children paths are relative to the index.md file's directory
   const childPath = filePath.endsWith('index.md')
-    ? '/' + path.basename(path.dirname(filePath))
-    : '/' + path.basename(filePath, '.md')
+    ? `/${path.basename(path.dirname(filePath))}`
+    : `/${path.basename(filePath, '.md')}`
 
   // Remove the childPath from the parent index.md file's children frontmatter
   data.children = data.children.filter((child) => child !== childPath)
diff --git a/src/github-apps/scripts/sync.ts b/src/github-apps/scripts/sync.ts
index 000b510e00..01a6cfa914 100755
--- a/src/github-apps/scripts/sync.ts
+++ b/src/github-apps/scripts/sync.ts
@@ -448,11 +448,11 @@ function getDisplayTitle(
 
   const displayTitle = isRest
     ? !resourceGroup
-      ? sentenceCase(title) + ' permissions'
-      : `"${sentenceCase(title)}" ` + resourceGroup + ' permissions'
+      ? `${sentenceCase(title)} permissions`
+      : `"${sentenceCase(title)}" ${resourceGroup} permissions`
     : !resourceGroup
-      ? sentenceCase(title) + ' permissions'
-      : sentenceCase(resourceGroup) + ` permissions for "${title}"`
+      ? `${sentenceCase(title)} permissions`
+      : `${sentenceCase(resourceGroup)} permissions for "${title}"`
 
   return { title, displayTitle }
 }
diff --git a/src/github-apps/tests/rendering.ts b/src/github-apps/tests/rendering.ts
index 2a352c666d..19ebb9ca7e 100644
--- a/src/github-apps/tests/rendering.ts
+++ b/src/github-apps/tests/rendering.ts
@@ -76,7 +76,7 @@ describe('REST references docs', () => {
           ...value.map(
             (item: EnabledItem) =>
               `/en/rest/${key}${
-                categoriesWithoutSubcategories.includes(key) ? '' : '/' + item.subcategory
+                categoriesWithoutSubcategories.includes(key) ? '' : `/${item.subcategory}`
               }#${item.slug}`,
           ),
         )
@@ -110,7 +110,7 @@ describe('REST references docs', () => {
           ...value.permissions.map(
             (item: PermissionItem) =>
               `/en/rest/${item.category}${
-                categoriesWithoutSubcategories.includes(item.category) ? '' : '/' + item.subcategory
+                categoriesWithoutSubcategories.includes(item.category) ? '' : `/${item.subcategory}`
               }#${item.slug}`,
           ),
         )
diff --git a/src/graphql/scripts/build-changelog.ts b/src/graphql/scripts/build-changelog.ts
index 1a5b248c35..f02b510261 100644
--- a/src/graphql/scripts/build-changelog.ts
+++ b/src/graphql/scripts/build-changelog.ts
@@ -175,12 +175,9 @@ export async function createChangelogEntry(
         }),
       )
       const cleanTitle = cleanPreviewTitle(previewTitle)
-      const entryTitle =
-        'The [' +
-        cleanTitle +
-        '](/graphql/overview/schema-previews#' +
-        previewAnchor(cleanTitle) +
-        ') includes these changes:'
+      const entryTitle = `The [${cleanTitle}](/graphql/overview/schema-previews#${previewAnchor(
+        cleanTitle,
+      )}) includes these changes:`
       changelogEntry.previewChanges.push({
         title: entryTitle,
         changes: renderedPreviewChanges,
@@ -220,7 +217,7 @@ export function cleanPreviewTitle(title: string): string {
   } else if (title === 'MergeInfoPreview') {
     title = 'Merge info preview'
   } else if (!title.endsWith('preview')) {
-    title = title + ' preview'
+    title = `${title} preview`
   }
   return title
 }
diff --git a/src/graphql/scripts/utils/schema-helpers.ts b/src/graphql/scripts/utils/schema-helpers.ts
index 1d19682760..0bd516f1e2 100644
--- a/src/graphql/scripts/utils/schema-helpers.ts
+++ b/src/graphql/scripts/utils/schema-helpers.ts
@@ -59,7 +59,7 @@ const graphqlTypes: GraphQLTypeInfo[] = JSON.parse(
 const singleQuotesInsteadOfBackticks = / '(\S+?)' /
 
 function addPeriod(string: string): string {
-  return string.endsWith('.') ? string : string + '.'
+  return string.endsWith('.') ? string : `${string}.`
 }
 
 async function getArguments(
diff --git a/src/landings/components/ProductLandingContext.tsx b/src/landings/components/ProductLandingContext.tsx
index f732228e93..edd65a6daa 100644
--- a/src/landings/components/ProductLandingContext.tsx
+++ b/src/landings/components/ProductLandingContext.tsx
@@ -146,7 +146,7 @@ export const getProductLandingContextFromRequest = async (
           key,
           label:
             key === 'popular' || key === 'videos'
-              ? req.context.page.featuredLinks[key + 'Heading'] || req.context.site.data.ui.toc[key]
+              ? req.context.page.featuredLinks[`${key}Heading`] || req.context.site.data.ui.toc[key]
               : req.context.site.data.ui.toc[key],
           viewAllHref:
             key === 'startHere' && !req.context.currentCategory && hasGuidesPage
diff --git a/src/landings/components/SidebarProduct.tsx b/src/landings/components/SidebarProduct.tsx
index 89494c3b1e..c899fff64a 100644
--- a/src/landings/components/SidebarProduct.tsx
+++ b/src/landings/components/SidebarProduct.tsx
@@ -135,10 +135,10 @@ function RestNavListItem({ category }: { category: ProductTreeNode }) {
         (entries) => {
           entries.forEach((entry) => {
             if (entry.target.id) {
-              const anchor = '#' + entry.target.id.split('--')[0]
+              const anchor = `#${entry.target.id.split('--')[0]}`
               if (entry.isIntersecting === true) setVisibleAnchor(anchor)
             } else if (asPath.includes('#')) {
-              setVisibleAnchor('#' + asPath.split('#')[1])
+              setVisibleAnchor(`#${asPath.split('#')[1]}`)
             } else {
               setVisibleAnchor('')
             }
diff --git a/src/languages/components/LanguagePicker.tsx b/src/languages/components/LanguagePicker.tsx
index b2ed1b50b6..05c46694d8 100644
--- a/src/languages/components/LanguagePicker.tsx
+++ b/src/languages/components/LanguagePicker.tsx
@@ -84,7 +84,7 @@ export const LanguagePicker = ({ xs, mediumOrLower }: Props) => {
                 className={`color-fg-default width-full ${styles.menuButton}`}
                 aria-label={`Select language: current language is ${selectedLang.name}`}
               >
-                <span className={styles.languageLabel}>{t('language_picker_label') + '\n'}</span>
+                <span className={styles.languageLabel}>{`${t('language_picker_label')}\n`}</span>
                 <span className="color-fg-muted text-normal f6">{selectedLang.name}</span>
               </ActionMenu.Button>
             </ActionMenu.Anchor>
diff --git a/src/languages/lib/correct-translation-content.ts b/src/languages/lib/correct-translation-content.ts
index fda0b9af99..8916afaf93 100644
--- a/src/languages/lib/correct-translation-content.ts
+++ b/src/languages/lib/correct-translation-content.ts
@@ -253,7 +253,7 @@ export function correctTranslatedContentStrings(
       return match
     }
 
-    const withLinebreak = match.slice(0, -1) + '\n'
+    const withLinebreak = `${match.slice(0, -1)}\n`
     if (englishContent.includes(withLinebreak) && !englishContent.includes(match)) {
       return withLinebreak
     }
@@ -332,7 +332,7 @@ export function correctTranslatedContentStrings(
     const keyString = '5DE3 E050 9C47 EA3C F04A 42D3 4AEE 18F8 3AFD EB23'
     const translatedSentences = [
       // ru
-      'Полный отпечаток ключа\u00A0\u2014 `' + keyString + '`.',
+      `Полный отпечаток ключа\u00A0\u2014 \`${keyString}\`.`,
       // ko
       `키의 전체 지문은 \`${keyString}\`입니다.`,
       // es
diff --git a/src/languages/lib/render-with-fallback.ts b/src/languages/lib/render-with-fallback.ts
index 3a76c90da5..30c3686e54 100644
--- a/src/languages/lib/render-with-fallback.ts
+++ b/src/languages/lib/render-with-fallback.ts
@@ -70,7 +70,7 @@ export function createTranslationFallbackComment(error: Error, property: string)
 
       // Limit message length to keep comment manageable
       if (cleanMessage.length > 200) {
-        cleanMessage = cleanMessage.substring(0, 200) + '...'
+        cleanMessage = `${cleanMessage.substring(0, 200)}...`
       }
 
       errorDetails.push(`msg="${cleanMessage.replace(/"/g, "'")}"`)
@@ -141,7 +141,7 @@ export async function renderContentWithFallback(
       // Skip for textOnly rendering to avoid breaking plain text output
       if (context.currentLanguage !== 'en' && !options?.textOnly) {
         const errorComment = createTranslationFallbackComment(error as Error, property)
-        return errorComment + '\n' + fallbackContent
+        return `${errorComment}\n${fallbackContent}`
       }
 
       return fallbackContent
@@ -181,7 +181,7 @@ export async function executeWithFallback<T>(
       // Only for HTML content (detected by presence of HTML tags)
       if (typeof fallbackContent === 'string' && /<[^>]+>/.test(fallbackContent)) {
         const errorComment = createTranslationFallbackComment(error as Error, 'content')
-        return (errorComment + '\n' + fallbackContent) as T
+        return `${errorComment}\n${fallbackContent}` as T
       }
 
       return fallbackContent
diff --git a/src/languages/lib/translation-utils.ts b/src/languages/lib/translation-utils.ts
index 40acaa3b73..e190e94b87 100644
--- a/src/languages/lib/translation-utils.ts
+++ b/src/languages/lib/translation-utils.ts
@@ -19,8 +19,7 @@ export function createTranslationFunctions(uiData: UIStrings, namespaces: string
   if (missingNamespaces.length > 0) {
     console.warn(
       `Missing namespaces [${missingNamespaces.join(', ')}] in UI data. ` +
-        'Available namespaces: ' +
-        Object.keys(uiData).sort().join(', '),
+        `Available namespaces: ${Object.keys(uiData).sort().join(', ')}`,
     )
 
     // For 404 pages, we can't afford to throw errors; create defensive fallbacks
diff --git a/src/languages/tests/api-search.ts b/src/languages/tests/api-search.ts
index ed5adb37e1..1cd9f87c1d 100644
--- a/src/languages/tests/api-search.ts
+++ b/src/languages/tests/api-search.ts
@@ -14,7 +14,7 @@ describeIfElasticsearchURL('search v1 middleware in non-English', () => {
     // which clearly has a record with the title "Foo"
     sp.set('query', 'foo')
     sp.set('language', 'ja')
-    const res = await get('/api/search/v1?' + sp)
+    const res = await get(`/api/search/v1?${sp}`)
     expect(res.statusCode).toBe(200)
     const results = JSON.parse(res.body)
 
diff --git a/src/links/scripts/rendered-content-link-checker.ts b/src/links/scripts/rendered-content-link-checker.ts
index 3218a712d1..fbc81c0edd 100755
--- a/src/links/scripts/rendered-content-link-checker.ts
+++ b/src/links/scripts/rendered-content-link-checker.ts
@@ -611,7 +611,7 @@ function flawIssueDisplay(flaws: LinkFlaw[], opts: Options, mentionExternalExclu
 
   // limit is 65536
   if (output.length > 60000) {
-    output = output.slice(0, 60000) + '\n\n---\n\nOUTPUT TRUNCATED'
+    output = `${output.slice(0, 60000)}\n\n---\n\nOUTPUT TRUNCATED`
   }
 
   return output
@@ -950,7 +950,7 @@ async function checkHrefLink(
   // 6. 'https://example.com' (external link)
 
   const [pathFragment, hashFragment] = href.split('#')
-  const hash = '#' + hashFragment // the hash is the part that starts with `#`
+  const hash = `#${hashFragment}` // the hash is the part that starts with `#`
 
   // this conditional handles cases in which the link is to the current article (cases 1-3 above)
   if (checkAnchors && (!pathFragment || pathFragment === permalink.href)) {
diff --git a/src/links/scripts/validate-github-github-docs-urls/generate-new-json.ts b/src/links/scripts/validate-github-github-docs-urls/generate-new-json.ts
index 9c026d1ff2..20ad6e3ab5 100644
--- a/src/links/scripts/validate-github-github-docs-urls/generate-new-json.ts
+++ b/src/links/scripts/validate-github-github-docs-urls/generate-new-json.ts
@@ -38,7 +38,7 @@ export function generateNewJSON(
     const writeTo = options.output || destinationFilePath
     // It's important that this serializes exactly like the Ruby code
     // that is the CLI script `script/add-docs-url` in github/github.
-    const serialized = JSON.stringify(destination, null, 2) + '\n'
+    const serialized = `${JSON.stringify(destination, null, 2)}\n`
     fs.writeFileSync(writeTo, serialized, 'utf-8')
     console.log(`Wrote ${countChanges} change${countChanges === 1 ? '' : 's'} to ${writeTo}`)
     if (writeTo !== destinationFilePath) {
diff --git a/src/metrics/scripts/docsaudit.ts b/src/metrics/scripts/docsaudit.ts
index a49d6ccce9..75ef1d552f 100644
--- a/src/metrics/scripts/docsaudit.ts
+++ b/src/metrics/scripts/docsaudit.ts
@@ -77,7 +77,7 @@ async function main(): Promise<void> {
     console.log(csvEntry)
     results.push(csvEntry)
   }
-  csvString += results.join('\n') + '\n'
+  csvString += `${results.join('\n')}\n`
 
   fs.writeFileSync(outputFile, csvString.trim(), 'utf8')
   console.log(`Done! Wrote ${outputFile}`)
diff --git a/src/observability/logger/lib/to-logfmt.ts b/src/observability/logger/lib/to-logfmt.ts
index fad0475869..0f59c7ee85 100644
--- a/src/observability/logger/lib/to-logfmt.ts
+++ b/src/observability/logger/lib/to-logfmt.ts
@@ -40,13 +40,13 @@ function stringify(data: Record<string, any>): string {
       stringValue = stringValue.replace(/["\\]/g, '\\$&')
     }
     if (needs_quoting || needs_escaping) {
-      stringValue = '"' + stringValue + '"'
+      stringValue = `"${stringValue}"`
     }
     if (stringValue === '' && !is_null) {
       stringValue = '""'
     }
 
-    line += key + '=' + stringValue + ' '
+    line += `${key}=${stringValue} `
   }
 
   // trim trailing space
diff --git a/src/observability/logger/middleware/get-automatic-request-logger.ts b/src/observability/logger/middleware/get-automatic-request-logger.ts
index 7e9d015083..0ea1992178 100644
--- a/src/observability/logger/middleware/get-automatic-request-logger.ts
+++ b/src/observability/logger/middleware/get-automatic-request-logger.ts
@@ -47,7 +47,7 @@ export function getAutomaticRequestLogger() {
           toLogfmt({
             ...loggerContext,
             status,
-            responseTime: responseTime + ' ms',
+            responseTime: `${responseTime} ms`,
             contentLength: String(contentLength),
             method,
             url,
@@ -71,7 +71,7 @@ export function getAutomaticRequestLogger() {
           chalk.reset(method),
           chalk.reset(url),
           chalk[color](status),
-          chalk.reset(responseTime + ' ms'),
+          chalk.reset(`${responseTime} ms`),
           chalk.reset('-'),
           chalk.reset(String(contentLength)),
         ].join(' ')
diff --git a/src/redirects/lib/get-redirect.ts b/src/redirects/lib/get-redirect.ts
index 8cc5e1d043..99b1d75564 100644
--- a/src/redirects/lib/get-redirect.ts
+++ b/src/redirects/lib/get-redirect.ts
@@ -73,11 +73,10 @@ export default function getRedirect(uri: string, context: Context): string | und
 
   if (withoutLanguage.startsWith(nonEnterpriseDefaultVersionPrefix)) {
     // E.g. '/free-pro-team@latest/foo/bar' or '/free-pro-team@latest'
-    basicCorrection =
-      `/${language}` + withoutLanguage.replace(nonEnterpriseDefaultVersionPrefix, '')
+    basicCorrection = `/${language}${withoutLanguage.replace(nonEnterpriseDefaultVersionPrefix, '')}`
   } else if (withoutLanguage.replace('/', '') in allVersions && !languagePrefixRegex.test(uri)) {
     // E.g. just '/github-ae@latest' or '/enterprise-cloud@latest'
-    basicCorrection = `/${language}` + withoutLanguage
+    basicCorrection = `/${language}${withoutLanguage}`
     return basicCorrection
   }
 
@@ -86,18 +85,20 @@ export default function getRedirect(uri: string, context: Context): string | und
     withoutLanguage.startsWith('/enterprise-server/')
   ) {
     // E.g. '/enterprise-server' or '/enterprise-server/3.0/foo'
-    basicCorrection =
-      `/${language}` +
-      withoutLanguage.replace('/enterprise-server', `/enterprise-server@${latestStable}`)
+    basicCorrection = `/${language}${withoutLanguage.replace(
+      '/enterprise-server',
+      `/enterprise-server@${latestStable}`,
+    )}`
     // If it's now just the version, without anything after, exit here
     if (withoutLanguage === '/enterprise-server') {
       return basicCorrection
     }
   } else if (withoutLanguage.startsWith('/enterprise-server@latest')) {
     // E.g. '/enterprise-server@latest' or '/enterprise-server@latest/3.3/foo'
-    basicCorrection =
-      `/${language}` +
-      withoutLanguage.replace('/enterprise-server@latest', `/enterprise-server@${latestStable}`)
+    basicCorrection = `/${language}${withoutLanguage.replace(
+      '/enterprise-server@latest',
+      `/enterprise-server@${latestStable}`,
+    )}`
     // If it was *just* '/enterprise-server@latest' all that's needed is
     // the language but with 'latest' replaced with the value of `latest`
     if (withoutLanguage === '/enterprise-server@latest') {
@@ -115,14 +116,16 @@ export default function getRedirect(uri: string, context: Context): string | und
     const version = withoutLanguage.split('/')[2]
     if (withoutLanguage === `/enterprise/${version}`) {
       // E.g. `/enterprise/3.0`
-      basicCorrection =
-        `/${language}` +
-        withoutLanguage.replace(`/enterprise/${version}`, `/enterprise-server@${version}`)
+      basicCorrection = `/${language}${withoutLanguage.replace(
+        `/enterprise/${version}`,
+        `/enterprise-server@${version}`,
+      )}`
       return basicCorrection
     } else {
-      basicCorrection =
-        `/${language}` +
-        withoutLanguage.replace(`/enterprise/${version}/`, `/enterprise-server@${version}/`)
+      basicCorrection = `/${language}${withoutLanguage.replace(
+        `/enterprise/${version}/`,
+        `/enterprise-server@${version}/`,
+      )}`
     }
   } else if (withoutLanguage === '/enterprise') {
     // E.g. `/enterprise` exactly
@@ -136,11 +139,9 @@ export default function getRedirect(uri: string, context: Context): string | und
     // If the URL is without a language, and no redirect is necessary,
     // but it has as version prefix, the language has to be there
     // otherwise it will never be found in `req.context.pages`
-    basicCorrection =
-      `/${language}` +
-      withoutLanguage
-        .replace(`/enterprise/`, `/enterprise-server@${latest}/`)
-        .replace('/user/', '/')
+    basicCorrection = `/${language}${withoutLanguage
+      .replace(`/enterprise/`, `/enterprise-server@${latest}/`)
+      .replace('/user/', '/')}`
   } else if (withoutLanguage.startsWith('/insights')) {
     // E.g. '/insights/foo'
     basicCorrection = uri.replace('/insights', `${language}/enterprise-server@${latest}/insights`)
@@ -171,7 +172,7 @@ export default function getRedirect(uri: string, context: Context): string | und
 
     if (supported.includes(version) || version === 'latest') {
       prefix = `/${majorVersion}@${version}`
-      suffix = '/' + split.slice(2).join('/')
+      suffix = `/${split.slice(2).join('/')}`
 
       if (
         suffix.includes('/user') ||
@@ -183,7 +184,7 @@ export default function getRedirect(uri: string, context: Context): string | und
     } else {
       // If version is not supported, we still need to set these values
       prefix = `/${majorVersion}@${version}`
-      suffix = '/' + split.slice(2).join('/')
+      suffix = `/${split.slice(2).join('/')}`
     }
 
     const newURL = prefix + suffix
@@ -319,7 +320,7 @@ function tryReplacements(prefix: string, suffix: string, context: Context): stri
       return false
     }
     const candidateAsRedirect = prefix + suffix
-    const candidateAsURL = '/en' + candidateAsRedirect
+    const candidateAsURL = `/en${candidateAsRedirect}`
     return candidateAsRedirect in redirects || candidateAsURL in pages
   }
 
diff --git a/src/redirects/middleware/handle-redirects.ts b/src/redirects/middleware/handle-redirects.ts
index 82d88882de..23d806c53a 100644
--- a/src/redirects/middleware/handle-redirects.ts
+++ b/src/redirects/middleware/handle-redirects.ts
@@ -76,7 +76,7 @@ export default function handleRedirects(req: ExtendedRequest, res: Response, nex
 
   // have to do this now because searchPath replacement changes the path as well as the query params
   if (queryParams) {
-    queryParams = '?' + queryParams
+    queryParams = `?${queryParams}`
   }
 
   // remove query params temporarily so we can find the path in the redirects object
diff --git a/src/rest/components/RestAuth.tsx b/src/rest/components/RestAuth.tsx
index aaed841f33..f808dfec8c 100644
--- a/src/rest/components/RestAuth.tsx
+++ b/src/rest/components/RestAuth.tsx
@@ -106,8 +106,8 @@ function FineGrainedAccess({ progAccess }: FineGrainedProps) {
     numPermissionSets === 0
       ? t('no_permission_sets')
       : numPermissionSets > 1
-        ? t('permission_sets') + ':'
-        : t('permission_set') + ':'
+        ? `${t('permission_sets')}:`
+        : `${t('permission_set')}:`
   const publicAccessMsg =
     numPermissionSets === 0
       ? t('allows_public_read_access_no_permissions')
diff --git a/src/rest/components/RestRedirect.tsx b/src/rest/components/RestRedirect.tsx
index cbb16ee87f..cb6829bd55 100644
--- a/src/rest/components/RestRedirect.tsx
+++ b/src/rest/components/RestRedirect.tsx
@@ -33,7 +33,7 @@ export function RestRedirect() {
       const params = new URLSearchParams(asPathQuery)
 
       params.set('apiVersion', date)
-      const url = `/${router.locale}${asPathRoot}?${params}${hash ? '#' + hash : ''}`
+      const url = `/${router.locale}${asPathRoot}?${params}${hash ? `#${hash}` : ''}`
       router.replace(url)
     }
   }, [router.asPath, currentVersion])
diff --git a/src/rest/docs.ts b/src/rest/docs.ts
index 86cf35d0d7..756ca4ab6a 100755
--- a/src/rest/docs.ts
+++ b/src/rest/docs.ts
@@ -29,48 +29,46 @@ log(chalk.white.bold('  npm run dev\n'))
 log(chalk.green.bold.underline('REST docs script examples\n'))
 log(chalk.green.bold('  Examples of ways you can build the REST docs locally:\n'))
 log(
-  chalk.cyan.bold('  - REST All versions:') +
-    '  ' +
-    chalk.magenta('npm run sync-rest && npm run dev'),
+  `${chalk.cyan.bold('  - REST All versions:')}  ${chalk.magenta(
+    'npm run sync-rest && npm run dev',
+  )}`,
 )
 log(
-  chalk.cyan.bold('  - REST Dotcom only:') +
-    '   ' +
-    chalk.magenta('npm run sync-rest -- --versions api.github.com && npm run dev'),
+  `${chalk.cyan.bold('  - REST Dotcom only:')}   ${chalk.magenta(
+    'npm run sync-rest -- --versions api.github.com && npm run dev',
+  )}`,
 )
 log(
-  chalk.cyan.bold('  - REST Two versions:') +
-    '  ' +
-    chalk.magenta('npm run sync-rest -- --versions ghes-3.7 ghes-3.8 && npm run dev'),
+  `${chalk.cyan.bold('  - REST Two versions:')}  ${chalk.magenta(
+    'npm run sync-rest -- --versions ghes-3.7 ghes-3.8 && npm run dev',
+  )}`,
 )
 log(
-  chalk.cyan.bold('  - REST Dotcom and next calendar date version:') +
-    ' ' +
-    chalk.magenta('npm run sync-rest -- --next --versions api.github.com && npm run dev'),
+  `${chalk.cyan.bold('  - REST Dotcom and next calendar date version:')} ${chalk.magenta(
+    'npm run sync-rest -- --next --versions api.github.com && npm run dev',
+  )}`,
 )
 log(
-  chalk.cyan.bold('  - REST Dotcom only, including unpublished operations:') +
-    '   ' +
-    chalk.magenta(
-      'npm run sync-rest -- --versions api.github.com --include-unpublished && npm run dev',
-    ),
+  `${chalk.cyan.bold('  - REST Dotcom only, including unpublished operations:')}   ${chalk.magenta(
+    'npm run sync-rest -- --versions api.github.com --include-unpublished && npm run dev',
+  )}`,
 )
 log(chalk.green.bold.underline('\nWebhook docs script examples\n'))
 log(chalk.green.bold('  Examples of ways you can build the Webhook docs locally:\n'))
 log(
-  chalk.cyan.bold('  - Webhooks All versions:') +
-    '  ' +
-    chalk.magenta('npm run sync-webhooks && npm run dev'),
+  `${chalk.cyan.bold('  - Webhooks All versions:')}  ${chalk.magenta(
+    'npm run sync-webhooks && npm run dev',
+  )}`,
 )
 log(
-  chalk.cyan.bold('  - Webhooks Dotcom only:') +
-    '   ' +
-    chalk.magenta('npm run sync-webhooks -- --versions api.github.com && npm run dev'),
+  `${chalk.cyan.bold('  - Webhooks Dotcom only:')}   ${chalk.magenta(
+    'npm run sync-webhooks -- --versions api.github.com && npm run dev',
+  )}`,
 )
 log(
-  chalk.cyan.bold('  - Webhooks Two versions:') +
-    '  ' +
-    chalk.magenta('npm run sync-webhooks -- --versions ghes-3.7 ghes-3.8 && npm run dev'),
+  `${chalk.cyan.bold('  - Webhooks Two versions:')}  ${chalk.magenta(
+    'npm run sync-webhooks -- --versions ghes-3.7 ghes-3.8 && npm run dev',
+  )}`,
 )
 log(chalk.green.bold('\nFor more info and additional options, run:\n'))
 log(chalk.white.bold('  npm run sync-rest -- --help'))
diff --git a/src/rest/scripts/utils/create-rest-examples.ts b/src/rest/scripts/utils/create-rest-examples.ts
index f1fdf3a733..e6d71b7153 100644
--- a/src/rest/scripts/utils/create-rest-examples.ts
+++ b/src/rest/scripts/utils/create-rest-examples.ts
@@ -72,11 +72,7 @@ export default async function getCodeSamples(operation: Operation): Promise<Merg
         ...example.request,
         description:
           count[example.request.description] > 1
-            ? example.request.description +
-              ' ' +
-              (i + 1) +
-              ': Status Code ' +
-              example.response!.statusCode
+            ? `${example.request.description} ${i + 1}: Status Code ${example.response!.statusCode}`
             : example.request.description,
       },
     }))
diff --git a/src/rest/tests/api.ts b/src/rest/tests/api.ts
index 837301d0f0..2341262d02 100644
--- a/src/rest/tests/api.ts
+++ b/src/rest/tests/api.ts
@@ -20,7 +20,7 @@ describe('anchor-redirect api', () => {
     const sp = new URLSearchParams()
     sp.set('path', path)
     sp.set('hash', hash)
-    const res = await get('/api/anchor-redirect?' + sp)
+    const res = await get(`/api/anchor-redirect?${sp}`)
     expect(res.statusCode).toBe(200)
     const { to } = JSON.parse(res.body)
     expect(to).toBe(value)
@@ -31,7 +31,7 @@ describe('anchor-redirect api', () => {
     const hash = key.split('#')[1]
     const sp = new URLSearchParams()
     sp.set('hash', hash)
-    const res = await get('/api/anchor-redirect?' + sp)
+    const res = await get(`/api/anchor-redirect?${sp}`)
     expect(res.statusCode).toBe(400)
   })
   test('errors when path is not passed', async () => {
@@ -40,14 +40,14 @@ describe('anchor-redirect api', () => {
     const path = key.split('#')[0]
     const sp = new URLSearchParams()
     sp.set('path', path)
-    const res = await get('/api/anchor-redirect?' + sp)
+    const res = await get(`/api/anchor-redirect?${sp}`)
     expect(res.statusCode).toBe(400)
   })
   test('unfound redirect returns undefined', async () => {
     const sp = new URLSearchParams()
     sp.set('path', 'foo')
     sp.set('hash', 'bar')
-    const res = await get('/api/anchor-redirect?' + sp)
+    const res = await get(`/api/anchor-redirect?${sp}`)
     const { to } = JSON.parse(res.body)
     expect(to).toBe(undefined)
   })
@@ -55,7 +55,7 @@ describe('anchor-redirect api', () => {
     const sp = new URLSearchParams()
     sp.set('path', 'foo')
     sp.set('hash', 'bar')
-    const res = await get('/api/anchor-redirect?' + sp)
+    const res = await get(`/api/anchor-redirect?${sp}`)
     expect(res.headers['cache-control']).toContain('public')
     expect(res.headers['cache-control']).toMatch(/max-age=[1-9]/)
     expect(res.headers['surrogate-control']).toContain('public')
diff --git a/src/rest/tests/create-rest-examples.ts b/src/rest/tests/create-rest-examples.ts
index 09b021fe03..239f97e6de 100644
--- a/src/rest/tests/create-rest-examples.ts
+++ b/src/rest/tests/create-rest-examples.ts
@@ -55,7 +55,7 @@ describe('rest example requests and responses', () => {
     // example is any because getCodeSamples returns objects from untyped JavaScript module
     mergedExamples.forEach((example: any, index: number) => {
       expect(example.request.description).toBe(
-        'Example ' + (index + 1) + ': Status Code ' + example.response.statusCode,
+        `Example ${index + 1}: Status Code ${example.response.statusCode}`,
       )
     })
   })
diff --git a/src/rest/tests/rendering.ts b/src/rest/tests/rendering.ts
index 56c9e85006..645401bf00 100644
--- a/src/rest/tests/rendering.ts
+++ b/src/rest/tests/rendering.ts
@@ -109,7 +109,7 @@ describe('REST references docs', () => {
             .text()
             .trim()
           if (apiVersion === allVersions[version].latestApiVersion) {
-            expect(versionName).toBe(apiVersion + ' (latest)')
+            expect(versionName).toBe(`${apiVersion} (latest)`)
           } else {
             expect(versionName).toBe(apiVersion)
           }
@@ -148,12 +148,11 @@ describe('REST references docs', () => {
 function formatErrors(differences: Record<string, any>): string {
   let errorMessage = 'There are differences in Categories/Subcategories in:\n'
   for (const schema in differences) {
-    errorMessage += 'Version: ' + schema + '\n'
+    errorMessage += `Version: ${schema}\n`
     for (const category in differences[schema]) {
-      errorMessage += 'Category: ' + category + '\nSubcategories: \n'
-      errorMessage +=
-        '  - content/rest directory: ' + differences[schema][category].contentDir + '\n'
-      errorMessage += '  - OpenAPI Schema: ' + differences[schema][category].openAPI + '\n'
+      errorMessage += `Category: ${category}\nSubcategories: \n`
+      errorMessage += `  - content/rest directory: ${differences[schema][category].contentDir}\n`
+      errorMessage += `  - OpenAPI Schema: ${differences[schema][category].openAPI}\n`
       errorMessage += '---\n'
     }
   }
diff --git a/src/search/components/input/SearchOverlay.tsx b/src/search/components/input/SearchOverlay.tsx
index af97f3a049..bf9d40ea8e 100644
--- a/src/search/components/input/SearchOverlay.tsx
+++ b/src/search/components/input/SearchOverlay.tsx
@@ -299,7 +299,7 @@ export function SearchOverlay({
   // When loading, capture the last height of the suggestions list so we can use it for the loading div
   const previousSuggestionsListHeight = useMemo(() => {
     if (generalSearchResults.length || aiAutocompleteOptions.length) {
-      return 7 * (generalSearchResults.length + aiAutocompleteOptions.length) + ''
+      return `${7 * (generalSearchResults.length + aiAutocompleteOptions.length)}`
     } else {
       return '150' // Default height for just 2 suggestions
     }
diff --git a/src/search/lib/ai-search-proxy.ts b/src/search/lib/ai-search-proxy.ts
index 75a4a42b4c..dd84458da3 100644
--- a/src/search/lib/ai-search-proxy.ts
+++ b/src/search/lib/ai-search-proxy.ts
@@ -132,8 +132,7 @@ export const aiSearchProxy = async (req: ExtendedRequest, res: Response) => {
         res.status(500).json({ errors: [{ message: 'Internal server error' }] })
       } else {
         // Send error message via the stream
-        const errorMessage =
-          JSON.stringify({ errors: [{ message: 'Internal server error' }] }) + '\n'
+        const errorMessage = `${JSON.stringify({ errors: [{ message: 'Internal server error' }] })}\n`
         res.write(errorMessage)
         res.end()
       }
diff --git a/src/search/lib/helpers/strings.ts b/src/search/lib/helpers/strings.ts
index d8ca26383c..f7e546377e 100644
--- a/src/search/lib/helpers/strings.ts
+++ b/src/search/lib/helpers/strings.ts
@@ -4,7 +4,7 @@ export function safeUrlDisplay(url: string): string {
     parsed.password = '***'
   }
   if (parsed.username) {
-    parsed.username = parsed.username.slice(0, 4) + '***'
+    parsed.username = `${parsed.username.slice(0, 4)}***`
   }
   return parsed.toString()
 }
diff --git a/src/search/lib/helpers/time.ts b/src/search/lib/helpers/time.ts
index 36579358d4..2353d513c1 100644
--- a/src/search/lib/helpers/time.ts
+++ b/src/search/lib/helpers/time.ts
@@ -29,7 +29,7 @@ export function utcTimestamp() {
       d.getUTCSeconds(),
     ]
       // If it's a number make it a zero-padding 2 character string
-      .map((x) => (typeof x === 'number' ? ('0' + x).slice(-2) : x))
+      .map((x) => (typeof x === 'number' ? `0${x}`.slice(-2) : x))
       .join('')
   )
 }
diff --git a/src/search/scripts/scrape/lib/build-records.ts b/src/search/scripts/scrape/lib/build-records.ts
index b50ca77240..7f40baac8b 100644
--- a/src/search/scripts/scrape/lib/build-records.ts
+++ b/src/search/scripts/scrape/lib/build-records.ts
@@ -178,36 +178,35 @@ export default async function buildRecords(
 
     // Report failed pages if any
     if (failedPages.length > 0) {
-      console.log(
-        '\n' +
-          boxen(
-            chalk.bold.red(`${failedPages.length} page(s) failed to scrape\n\n`) +
-              failedPages
-                .slice(0, 10) // Show first 10 failures
-                .map((failure, idx) => {
-                  return (
-                    chalk.gray(`${idx + 1}. `) +
-                    chalk.yellow(failure.errorType) +
-                    '\n' +
-                    (failure.relativePath
-                      ? chalk.cyan(`   Path: `) + failure.relativePath + '\n'
-                      : '') +
-                    (failure.url ? chalk.cyan(`   URL: `) + failure.url + '\n' : '') +
-                    chalk.gray(`   Error: ${failure.error}`)
-                  )
-                })
-                .join('\n\n') +
-              (failedPages.length > 10
-                ? `\n\n${chalk.gray(`... and ${failedPages.length - 10} more`)}`
-                : ''),
-            {
-              title: chalk.red('⚠ Failed Pages'),
-              padding: 1,
-              borderColor: 'yellow',
-            },
-          ) +
-          '\n',
-      )
+      const failureCount = failedPages.length
+      const header = chalk.bold.red(`${failureCount} page(s) failed to scrape\n\n`)
+
+      const failureList = failedPages
+        .slice(0, 10) // Show first 10 failures
+        .map((failure, idx) => {
+          const number = chalk.gray(`${idx + 1}. `)
+          const errorType = chalk.yellow(failure.errorType)
+          const pathLine = failure.relativePath
+            ? `\n${chalk.cyan('   Path: ')}${failure.relativePath}`
+            : ''
+          const urlLine = failure.url ? `\n${chalk.cyan('   URL: ')}${failure.url}` : ''
+          const errorLine = `\n${chalk.gray(`   Error: ${failure.error}`)}`
+
+          return `${number}${errorType}${pathLine}${urlLine}${errorLine}`
+        })
+        .join('\n\n')
+
+      const remaining =
+        failureCount > 10 ? `\n\n${chalk.gray(`... and ${failureCount - 10} more`)}` : ''
+
+      const boxContent = header + failureList + remaining
+      const box = boxen(boxContent, {
+        title: chalk.red('⚠ Failed Pages'),
+        padding: 1,
+        borderColor: 'yellow',
+      })
+
+      console.log(`\n${box}\n`)
 
       // Log suggestion
       console.log(
diff --git a/src/search/tests/api-search.ts b/src/search/tests/api-search.ts
index a77abcdb91..b20227b40b 100644
--- a/src/search/tests/api-search.ts
+++ b/src/search/tests/api-search.ts
@@ -33,7 +33,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
     // see src/search/tests/fixtures/search-indexes/github-docs-dotcom-en-records.json
     // which clearly has a record with the title "Foo"
     sp.set('query', 'foo')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
 
@@ -75,7 +75,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
     const sp = new URLSearchParams()
     sp.set('query', 'foo')
     sp.set('debug', '1') // Note!
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     // safe because we know exactly the fixtures
@@ -90,7 +90,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
     {
       const sp = new URLSearchParams()
       sp.set('query', 'sill')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(200)
       const results: GeneralSearchResponse = JSON.parse(res.body)
       // Fixtures contains no word called 'sill'. It does contain the term
@@ -105,7 +105,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
       const sp = new URLSearchParams()
       sp.set('query', 'sill')
       sp.set('autocomplete', 'true')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(200)
       const results: GeneralSearchResponse = JSON.parse(res.body)
       expect(results.meta.found.value).toBeGreaterThanOrEqual(1)
@@ -119,7 +119,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
   test('find nothing', async () => {
     const sp = new URLSearchParams()
     sp.set('query', 'xojixjoiwejhfoiuwehjfioweufhj')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     expect(results.hits.length).toBe(0)
@@ -130,7 +130,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
     const sp = new URLSearchParams()
     sp.set('query', 'introduction heading')
     sp.append('highlights', 'content')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     expect(results.meta.found.value).toBeGreaterThanOrEqual(1)
@@ -145,7 +145,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
     // This will match because it's in the 'content' but not in 'headings'
     sp.set('query', 'Fact of life')
     sp.set('highlights', 'title')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     expect(results.meta.found.value).toBeGreaterThanOrEqual(1)
@@ -159,12 +159,12 @@ describeIfElasticsearchURL('search v1 middleware', () => {
     const sp = new URLSearchParams()
     sp.set('query', 'foo')
     sp.set('version', 'dotcom')
-    const res1 = await get('/api/search/v1?' + sp.toString())
+    const res1 = await get(`/api/search/v1?${sp.toString()}`)
     expect(res1.statusCode).toBe(200)
     const results1: GeneralSearchResponse = JSON.parse(res1.body)
 
     sp.set('version', 'free-pro-team@latest')
-    const res2 = await get('/api/search/v1?' + sp.toString())
+    const res2 = await get(`/api/search/v1?${sp.toString()}`)
     expect(res2.statusCode).toBe(200)
     const results2: GeneralSearchResponse = JSON.parse(res2.body)
     expect(results1.hits[0].id).toBe(results2.hits[0].id)
@@ -185,7 +185,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
     {
       const sp = new URLSearchParams()
       sp.set('query', '  ')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(400)
       const errorResponse = JSON.parse(res.body) as {
         error: string
@@ -198,7 +198,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
       const sp = new URLSearchParams()
       sp.set('query', 'test')
       sp.set('language', 'xxx')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(400)
       const errorResponse = JSON.parse(res.body) as {
         error: string
@@ -211,7 +211,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
       const sp = new URLSearchParams()
       sp.set('query', 'test')
       sp.set('page', '9999')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(400)
       const errorResponse = JSON.parse(res.body) as {
         error: string
@@ -224,7 +224,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
       const sp = new URLSearchParams()
       sp.set('query', 'test')
       sp.set('version', 'xxxxx')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(400)
       const errorResponse = JSON.parse(res.body) as {
         error: string
@@ -238,7 +238,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
       const sp = new URLSearchParams()
       sp.set('query', 'test')
       sp.set('size', 'not a number')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(400)
       const errorResponse = JSON.parse(res.body) as {
         error: string
@@ -251,7 +251,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
       const sp = new URLSearchParams()
       sp.set('query', 'test')
       sp.set('sort', 'neverheardof')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(400)
       const errorResponse = JSON.parse(res.body) as {
         error: string
@@ -264,7 +264,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
       const sp = new URLSearchParams()
       sp.set('query', 'test')
       sp.set('highlights', 'neverheardof')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(400)
       const errorResponse = JSON.parse(res.body) as {
         error: string
@@ -277,7 +277,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
       const sp = new URLSearchParams()
       sp.append('query', 'test1')
       sp.append('query', 'test2')
-      const res = await get('/api/search/v1?' + sp.toString())
+      const res = await get(`/api/search/v1?${sp.toString()}`)
       expect(res.statusCode).toBe(400)
       const errorResponse = JSON.parse(res.body) as {
         error: string
@@ -290,7 +290,7 @@ describeIfElasticsearchURL('search v1 middleware', () => {
   test('breadcrumbless records should always return a string', async () => {
     const sp = new URLSearchParams()
     sp.set('query', 'breadcrumbs')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     // safe because we know exactly the fixtures
@@ -305,7 +305,7 @@ describeIfElasticsearchURL("additional fields with 'include'", () => {
   test("'intro' and 'headings' are omitted by default", async () => {
     const sp = new URLSearchParams()
     sp.set('query', 'foo')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     const firstKeys = Object.keys(results.hits[0])
@@ -317,7 +317,7 @@ describeIfElasticsearchURL("additional fields with 'include'", () => {
     const sp = new URLSearchParams()
     sp.set('query', 'foo')
     sp.set('include', 'intro')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     const firstKeys = Object.keys(results.hits[0])
@@ -330,7 +330,7 @@ describeIfElasticsearchURL("additional fields with 'include'", () => {
     sp.set('query', 'foo')
     sp.append('include', 'intro')
     sp.append('include', 'headings')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     const firstKeys = Object.keys(results.hits[0])
@@ -342,7 +342,7 @@ describeIfElasticsearchURL("additional fields with 'include'", () => {
     const sp = new URLSearchParams()
     sp.set('query', 'foo')
     sp.set('include', 'xxxxx')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(400)
     const results = JSON.parse(res.body) as {
       error: string
@@ -359,7 +359,7 @@ describeIfElasticsearchURL('filter by toplevel', () => {
     const sp = new URLSearchParams()
     sp.set('query', 'foo')
     sp.set('include', 'toplevel')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     // In the fixtures, there are two distinct `toplevel` that
@@ -373,7 +373,7 @@ describeIfElasticsearchURL('filter by toplevel', () => {
     sp.set('query', 'foo')
     sp.set('include', 'toplevel')
     sp.set('toplevel', 'Baring')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     const toplevels = new Set(results.hits.map((hit) => hit.toplevel))
@@ -386,7 +386,7 @@ describeIfElasticsearchURL('filter by toplevel', () => {
     sp.set('include', 'toplevel')
     sp.append('toplevel', 'Baring')
     sp.append('toplevel', 'Fooing')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     const toplevels = new Set(results.hits.map((hit) => hit.toplevel))
@@ -398,7 +398,7 @@ describeIfElasticsearchURL('filter by toplevel', () => {
     sp.set('query', 'foo')
     sp.set('include', 'toplevel')
     sp.set('toplevel', 'Never heard of')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse = JSON.parse(res.body)
     expect(results.meta.found.value).toBe(0)
@@ -412,7 +412,7 @@ describeIfElasticsearchURL('aggregate', () => {
     const sp = new URLSearchParams()
     sp.set('query', 'foo')
     sp.set('aggregate', 'toplevel')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(200)
     const results: GeneralSearchResponse & { aggregations?: SearchResultAggregations } = JSON.parse(
       res.body,
@@ -428,7 +428,7 @@ describeIfElasticsearchURL('aggregate', () => {
     const sp = new URLSearchParams()
     sp.set('query', 'foo')
     sp.set('aggregate', 'unrecognizedxxx')
-    const res = await get('/api/search/v1?' + sp.toString())
+    const res = await get(`/api/search/v1?${sp.toString()}`)
     expect(res.statusCode).toBe(400)
     const results = JSON.parse(res.body) as {
       error: string
diff --git a/src/webhooks/tests/api.ts b/src/webhooks/tests/api.ts
index 102738e413..a9e136f794 100644
--- a/src/webhooks/tests/api.ts
+++ b/src/webhooks/tests/api.ts
@@ -14,7 +14,7 @@ describe('webhooks v1 middleware', () => {
     // field which all webhook types should have.
     sp.set('category', 'branch_protection_rule')
     sp.set('version', 'free-pro-team@latest')
-    const res = await get('/api/webhooks/v1?' + sp)
+    const res = await get(`/api/webhooks/v1?${sp}`)
     expect(res.statusCode).toBe(200)
     const results = JSON.parse(res.body)
     const actionTypes = Object.keys(results)
@@ -36,7 +36,7 @@ describe('webhooks v1 middleware', () => {
     const sp = new URLSearchParams()
     sp.set('category', 'branch_protection_rule')
     sp.set('version', 'enterprise-cloud@latest')
-    const res = await get('/api/webhooks/v1?' + sp)
+    const res = await get(`/api/webhooks/v1?${sp}`)
     expect(res.statusCode).toBe(200)
     const results = JSON.parse(res.body)
     const actionTypes = Object.keys(results)
@@ -50,7 +50,7 @@ describe('webhooks v1 middleware', () => {
     const sp = new URLSearchParams()
     sp.set('category', 'no-such-category')
     sp.set('version', 'free-pro-team@latest')
-    const res = await get('/api/webhooks/v1?' + sp)
+    const res = await get(`/api/webhooks/v1?${sp}`)
 
     expect(res.statusCode).toBe(404)
     expect(JSON.parse(res.body).error).toBeTruthy()
@@ -60,7 +60,7 @@ describe('webhooks v1 middleware', () => {
     const sp = new URLSearchParams()
     sp.set('category', 'branch_protection_rule')
     sp.set('version', 'no-such-version')
-    const res = await get('/api/webhooks/v1?' + sp)
+    const res = await get(`/api/webhooks/v1?${sp}`)
 
     expect(res.statusCode).toBe(404)
     expect(JSON.parse(res.body).error).toBeTruthy()
diff --git a/src/workflows/content-changes-table-comment.ts b/src/workflows/content-changes-table-comment.ts
index 26750f4658..7b49a7e9aa 100755
--- a/src/workflows/content-changes-table-comment.ts
+++ b/src/workflows/content-changes-table-comment.ts
@@ -167,13 +167,13 @@ async function main(owner: string, repo: string, baseSHA: string, headSHA: strin
     `| ${headings.map((heading) => `**${heading}**`).join(' | ')} |`,
     `| ${headings.map(() => ':---').join(' | ')} |`,
   ]
-  let markdownTable = markdownTableHead.join('\n') + '\n'
+  let markdownTable = `${markdownTableHead.join('\n')}\n`
   for (const filteredLine of filteredLines) {
     if ((markdownTable + filteredLine).length > MAX_COMMENT_SIZE) {
       markdownTable += '\n**Note** There are more changes in this PR than we can show.'
       break
     }
-    markdownTable += filteredLine + '\n'
+    markdownTable += `${filteredLine}\n`
   }
 
   return markdownTable
diff --git a/src/workflows/enable-automerge.ts b/src/workflows/enable-automerge.ts
index 54217e7635..740a201dda 100644
--- a/src/workflows/enable-automerge.ts
+++ b/src/workflows/enable-automerge.ts
@@ -37,12 +37,13 @@ async function main() {
   }
 
   const graph: Record<string, any> = await github.graphql(mutation, variables)
-  console.log('GraphQL mutation result:\n' + JSON.stringify(graph))
+  console.log(`GraphQL mutation result:\n${JSON.stringify(graph)}`)
 
   if (graph.errors && graph.errors.length > 0) {
     console.error(
-      'ERROR! Failed to enable auto-merge:\n - ' +
-        graph.errors.map((error: any) => error.message).join('\n - '),
+      `ERROR! Failed to enable auto-merge:\n - ${graph.errors
+        .map((error: any) => error.message)
+        .join('\n - ')}`,
     )
   } else {
     console.log('Auto-merge enabled!')
diff --git a/src/workflows/experimental/readability-report.ts b/src/workflows/experimental/readability-report.ts
index 0ca6d72324..c31ffe55d4 100644
--- a/src/workflows/experimental/readability-report.ts
+++ b/src/workflows/experimental/readability-report.ts
@@ -118,7 +118,7 @@ Note: Requires a local server running on localhost:4000 (npm start)
   const report = generateReport(results)
 
   // Always output to console for local development
-  console.log('\n' + report)
+  console.log(`\n${report}`)
 
   // If running in CI, also save report for commenting on PR
   if (process.env.GITHUB_ACTIONS) {
@@ -198,12 +198,10 @@ async function waitForServer(): Promise<void> {
 async function analyzeFile(filePath: string): Promise<PageReadability | null> {
   // Convert file path to URL path
   // content/get-started/foo.md -> /get-started/foo
-  const urlPath =
-    '/' +
-    filePath
-      .replace(/^content\//, '')
-      .replace(/\.md$/, '')
-      .replace(/\/index$/, '')
+  const urlPath = `/${filePath
+    .replace(/^content\//, '')
+    .replace(/\.md$/, '')
+    .replace(/\/index$/, '')}`
 
   try {
     // Fetch the rendered page