Lighthouse
Lighthouse is a tool that provides insights into performance metrics and developer best practices by analyzing web applications and pages. Chrome DevTools is available via the browser plugin, the Node.js module, or the command line interface. Through configurable options, users can customize audit processes and report results in different formats.
Lighthouse
100GoogleChrome · SEO & Analytics
Common commercial products in this category: Google Analytics, Ahrefs, Semrush
- You analyze the performance of web pages via Chrome DevTools or browser plugin.
- You automate website audits using Node CLI.
- By writing custom audits, you expand Lighthouse functionality to its own needs.
- ↑ PositiveHacker News
Building the most inaccessible site with a perfect Lighthouse score (2019)
“Another technique to mess up keyboard users: don’t use the document scroll area, but make your own (and don’t focus it or anything in JavaScript). Thus the user will have to press Tab or click in the area before keyboard navigation keys will work. So for best results put a large…”
- • NeutralHacker News
We increased our Lighthouse score by making our images larger
“There seems to be a misconception that the Lighthouse score is linked to the page experience search rank update. Higher Lighthouse scores won't give you better SEO. Only better results from field data (albeit only Chrome field data) will impact your search results [1].…”
Verified against README · Oct 26, 2026 · source
My note
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