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Lighthouse CI Documentation Update

This update documents the correct Google Lighthouse CI onboarding flow for NutsNews.

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This update documents the correct Google Lighthouse CI onboarding flow for NutsNews.

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Lighthouse CI Documentation Update

This update documents the correct Google Lighthouse CI onboarding flow for NutsNews.

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    This update documents the correct Google Lighthouse CI onboarding flow for NutsNews.
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Lighthouse CI Documentation Update

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Lighthouse CI Documentation Update

Section titled “Lighthouse CI Documentation Update”

This update documents the correct Google Lighthouse CI onboarding flow for NutsNews.

It captures an important repository-layout correction:

The repository root is nutsnews3/
The Next.js web app is nutsnews3/web/

Because of that, Lighthouse CI must be installed and run inside web/, while the GitHub Actions workflow file remains in .github/workflows/ at the repository root.

Documentation Added

Section titled “Documentation Added”

New guide:

docs/LIGHTHOUSE_CI_ONBOARDING.md

Updated indexes:

README.md
docs/README.md
docs/OBSERVABILITY.md

What the Guide Covers

Section titled “What the Guide Covers”

The new guide includes:

  • Cleanup commands if @lhci/cli was accidentally installed at the repository root, including restoring the tracked root package-lock.json if needed.
  • Correct install command from web/.
  • Correct web/lighthouserc.js location.
  • Correct .github/workflows/lighthouse-ci.yml workflow with working-directory: web.
  • GitHub secrets needed for the Next.js/Supabase build.
  • Local validation commands.
  • First threshold policy for performance, accessibility, best practices, SEO, LCP, CLS, and TBT.
  • Warning that Worker/controller refresh URLs must not be audited.

Correct Local Validation Commands

Section titled “Correct Local Validation Commands”
Terminal window
cd /Users/ramideltoro/WebstormProjects/nutsnews3/web


npm run build
npx lhci autorun

If Missing script: "build" or Missing script: "start" appears, the command was likely run from the repository root instead of web/.

Correct Git Commit Scope

Section titled “Correct Git Commit Scope”

After adding the real Lighthouse CI files, commit these from the repository root:

Terminal window
git add web/package.json web/package-lock.json web/lighthouserc.js .github/workflows/lighthouse-ci.yml


git commit -m "Add Lighthouse CI checks"

This documentation update does not add the actual Lighthouse CI runtime files. It documents how to add them correctly.