@@ -3,12 +3,13 @@
 // Renders each applicable destination version through Liquid, with caching,
 // and checks the fragment against real heading IDs before the caller keeps or drops it.
 // Dropping a fragment is destructive, so drop only when every applicable version lacks it.
-// Render errors, autogenerated pages, and unknown versions stay unvalidatable to avoid false drops.
+// Render errors, autogenerated pages, the glossary page, and unknown versions stay unvalidatable.
 import warmServer from '@/frame/lib/warm-server'
 import { allVersions } from '@/versions/lib/all-versions'
 import { getFeaturesByVersion } from '@/versions/middleware/features'
 import { renderMarkdownLiquid } from '@/links/lib/extract-links'
 import { computeHeadingIds } from '@/links/lib/heading-anchors'
+import { isAnchorCheckableTarget } from '@/links/lib/page-anchors'
 import { createLogger } from '@/observability/logger'
 import type { Context, Page } from '@/types'
 
@@ -82,8 +83,8 @@ export class RedirectedFragmentValidator {
     // Keep fragments for missing destination pages because no heading set exists.
     if (!destPage) return 'unvalidatable'
 
-    // Autogenerated REST, GraphQL, and webhook pages build headings from data at render time.
-    if (destPage.autogenerated) return 'unvalidatable'
+    // Autogenerated pages and the glossaries loop page build headings from data this render lacks.
+    if (!isAnchorCheckableTarget(destPage)) return 'unvalidatable'
 
     const anchor = fragment.replace(/^#/, '')
     if (!anchor) return 'keep'
 
@@ -79,6 +79,18 @@ describe('RedirectedFragmentValidator.classify', () => {
     expect(await validator.classify(page, '#setup')).toBe('unvalidatable')
   })
 
+  test('unvalidatable: glossary loop destination page', async () => {
+    // Term headings come from a glossaries loop, so the render sees only static headings.
+    const page = fakePage({
+      markdown:
+        '{% for glossary in glossaries %}\n## {{ glossary.term }}\n{% endfor %}\n## Further reading\n',
+    })
+    const validator = new StubValidator({
+      'free-pro-team@latest|content/foo.md': new Set(['further-reading']),
+    })
+    expect(await validator.classify(page, '#fork')).toBe('unvalidatable')
+  })
+
   test('unvalidatable: destination has no applicable versions', async () => {
     const page = fakePage({ applicableVersions: [] })
     const validator = new StubValidator({})