fix: remove dead /api/vitals beacon (66K wasted 404s/day)#787
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The custom vitals.ts script fires navigator.sendBeacon('/api/vitals') on
every page load, but no API route handler exists — every request 404s
via the Cloudflare Worker catch-all rule (~66K wasted requests/day).
@vercel/analytics (the <Analytics /> component already in BaseLayout)
collects the exact same Core Web Vitals data and sends it to
vitals.vercel-insights.com, making vitals.ts fully redundant.
Changes:
- Delete site/src/scripts/vitals.ts
- Remove vitals script import from BaseLayout.astro
- Remove web-vitals dependency from package.json
- Update design-integration-guide.md (protected components table,
checklist, and code example)
- Fix stale web-vitals comment in experiments.ts
Closes #786
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dante01yoon
approved these changes
Apr 14, 2026
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Summary
The custom
vitals.tsscript firesnavigator.sendBeacon('/api/vitals')on every page load (6 Web Vitals metrics per visit), but no API route handler exists. Every beacon request hits the Cloudflare Worker catch-all rule, gets routed to Framer, and 404s — generating ~66K wasted requests/day.@vercel/analytics(the<Analytics />component already inBaseLayout.astro) collects the exact same Core Web Vitals data and sends it tovitals.vercel-insights.com, makingvitals.tsfully redundant.Changes
site/src/scripts/vitals.tsBaseLayout.astroweb-vitalsdependency frompackage.json+ regenerate lockfiledesign-integration-guide.md— remove vitals.ts from protected components table, implementation checklist, and code exampleweb-vitalscomment inexperiments.tsVerification
pnpm run build— passespnpm test— all 80 tests passvitals.tsorweb-vitalsin sourceCloses #786