diff --git a/src/automated-pipelines/tests/accessibility.js b/src/automated-pipelines/tests/accessibility.js
deleted file mode 100644
index 8682b284e2..0000000000
--- a/src/automated-pipelines/tests/accessibility.js
+++ /dev/null
@@ -1,63 +0,0 @@
-import { jest, test } from '@jest/globals'
-
-import { getDOMCached as getDOM } from '../../../tests/helpers/e2etest.js'
-
-describe('automated page heading accessibility', () => {
-  jest.setTimeout(3 * 60 * 1000)
-
-  test('rest pages do not render any headings with duplicate text', async () => {
-    const $ = await getDOM('/en/rest/actions/artifacts')
-    const headingText = $('body')
-      .find('h2, h3, h4, h5, h6')
-      .map((i, el) => $(el).text())
-      .get()
-      .sort()
-
-    const dupes = headingText.filter((item, index) => headingText.indexOf(item) !== index)
-
-    const message = `The following duplicate heading texts were found: ${dupes.join(', ')}`
-    expect(dupes.length, message).toBe(0)
-  })
-
-  test('rest pages do not render any headings with duplicate ids', async () => {
-    const $ = await getDOM('/en/rest/actions/artifacts')
-    const headingIDs = $('body')
-      .find('h2, h3, h4, h5, h6')
-      .map((i, el) => $(el).attr('id'))
-      .get()
-      .sort()
-
-    const dupes = headingIDs.filter((item, index) => headingIDs.indexOf(item) !== index)
-
-    const message = `The following duplicate heading IDs were found: ${dupes.join(', ')}`
-    expect(dupes.length, message).toBe(0)
-  })
-
-  test('webhook pages do not render any headings with duplicate text', async () => {
-    const $ = await getDOM('/en/webhooks-and-events/webhooks/webhook-events-and-payloads')
-    const headingText = $('body')
-      .find('h2, h3, h4, h5, h6')
-      .map((i, el) => $(el).text())
-      .get()
-      .sort()
-
-    const dupes = headingText.filter((item, index) => headingText.indexOf(item) !== index)
-
-    const message = `The following duplicate heading texts were found: ${dupes.join(', ')}`
-    expect(dupes.length, message).toBe(0)
-  })
-
-  test('webhook pages do not render any headings with duplicate ids', async () => {
-    const $ = await getDOM('/en/webhooks-and-events/webhooks/webhook-events-and-payloads')
-    const headingIDs = $('body')
-      .find('h2, h3, h4, h5, h6')
-      .map((i, el) => $(el).attr('id'))
-      .get()
-      .sort()
-
-    const dupes = headingIDs.filter((item, index) => headingIDs.indexOf(item) !== index)
-
-    const message = `The following duplicate heading IDs were found: ${dupes.join(', ')}`
-    expect(dupes.length, message).toBe(0)
-  })
-})
diff --git a/src/automated-pipelines/tests/rendering.js b/src/automated-pipelines/tests/rendering.js
index b82261dd1e..8af00c7d68 100644
--- a/src/automated-pipelines/tests/rendering.js
+++ b/src/automated-pipelines/tests/rendering.js
@@ -1,6 +1,8 @@
-import { jest, test } from '@jest/globals'
 import { readFileSync } from 'fs'
 
+import cheerio from 'cheerio'
+import { jest, test } from '@jest/globals'
+
 import { loadPages } from '../../../lib/page-data.js'
 import { get } from '../../../tests/helpers/e2etest.js'
 
@@ -12,22 +14,34 @@ describe('autogenerated docs render', () => {
 
   const autogeneratedPages = pageList.filter((page) => page.autogenerated)
 
-  test('all automated pages return a 200 success code', async () => {
-    expect.assertions(autogeneratedPages.length)
-
-    const statusCodes = await Promise.all(
-      autogeneratedPages.map(async (page) => {
-        const url = page.permalinks[0].href
-        // Some autogenerated pages can be very slow and might fail.
-        // So we allow a few retries to avoid false positives.
-        const res = await get(url, { retries: 3 })
-        return [url, res.statusCode]
-      }),
-    )
-
-    for (const [url, status] of statusCodes) {
-      expect(status, url).toBe(200)
-    }
+  test('all automated pages', async () => {
+    // Each page should render with 200 OK. Also, check for duplicate
+    // heading IDs on each page.
+    const errors = (
+      await Promise.all(
+        autogeneratedPages.map(async (page) => {
+          const url = page.permalinks[0].href
+          // Some autogenerated pages can be very slow and might fail.
+          // So we allow a few retries to avoid false positives.
+          const res = await get(url, { retries: 3 })
+          if (res.statusCode !== 200) {
+            return `${res.statusCode} status error on ${url}`
+          }
+          // Using `xmlMode: true` is marginally faster
+          const $ = cheerio.load(res.body, { xmlMode: true })
+          const headingIDs = $('body')
+            .find('h2, h3, h4, h5, h6')
+            .map((_, el) => $(el).attr('id'))
+            .get()
+            .sort()
+          const dupes = headingIDs.filter((item, index) => headingIDs.indexOf(item) !== index)
+          if (dupes.length) {
+            return `In ${url}, the following duplicate heading IDs were found: ${dupes.join(', ')}`
+          }
+        }),
+      )
+    ).filter(Boolean)
+    expect(errors.length, errors.join('\n')).toBe(0)
   })
 
   const codeqlCliPath = JSON.parse(