test: add homepage performance guardrails - #1355
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| Status | Name | Latest Commit | Preview URL | Updated (UTC) |
|---|---|---|---|---|
| ✅ Deployment successful! View logs |
guide | c2468ab | Commit Preview URL Branch Preview URL |
Sep 18 2026, 02:20 PM |
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Lighthouse baselineNo Lighthouse baseline is available for target branch
Download the full Lighthouse reports and baseline Commit |
Guide Cloudflare deployment⛅️ wrangler 4.130.0 To deploy this version to production traffic use the command wrangler versions deploy Changes to non-versioned settings (config properties 'logpush' or 'tail_consumers') take effect after your next deployment using the command wrangler versions deploy Changes to triggers (routes, custom domains, cron schedules, etc) must be applied with the command wrangler triggers deploy |
Cloudflare deploymentDeployement ID: de571779-71ba-4168-ae7d-138a4ae9b24e ⛅️ wrangler 4.130.0 ✨ Uploading _redirects |
Add production Playwright coverage for prerendering, hydration, navigation, clipboard behavior, and image loading. Track initial asset, DOM, and media baselines in CI before the homepage optimization stack changes them.
Align the Playwright container and deterministic homepage budgets with the React Router, Vite, and Playwright versions now on master.
Run the production prerender build on the standard Ubuntu runner and install Chromium explicitly, avoiding the React Router temporary-server failure inside the Playwright job container.
Run Lighthouse three times against the exact Cloudflare Pages deployment URL and enforce conservative category and Core Web Vitals baselines. Upload the generated reports as workflow artifacts for inspection.
Persist a branch-scoped Lighthouse baseline with the full reports, restore it on the next deployment, and publish a sticky PR comparison comment with a direct artifact link. Cancel stale branch deploys and remove superseded artifacts so each branch retains one current baseline.
Continue collecting and comparing Lighthouse results without failing the performance stack while the homepage optimizations are still in progress.
Restore the Lighthouse artifact for each pull request's base branch instead of the previous artifact from its head branch. Report missing target baselines as N/A so the first stack layer can establish the initial baseline without implying a zero score.
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Query the pull request API when selecting the Lighthouse target artifact so stacked pull requests compare against their current base branch even when the workflow event payload is stale.
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Context
Establish regression coverage before the homepage performance stack changes component boundaries, images, route payloads, CSS, effects, and compiler behavior.
Changes
Relates to #1354.
Stack created with GitHub Stacks CLI