PageSpeed → CLAUDE.md

Analyze the current page with PageSpeed Insights and generate a CLAUDE.md fix plan for Claude Code.

Turn any page's Lighthouse audit into a ready-to-use CLAUDE.md fix plan for Claude Code. Click the extension on any web page and you'll get a Google PageSpeed Insights audit (Performance, Accessibility, Best Practices, SEO) plus a structured markdown brief you can hand off to Claude Code with one click. No copy-pasting screenshots, no manually translating "Reduce unused JavaScript" into actual file changes. WHAT YOU GET • One-click analysis of the active tab — Mobile or Desktop strategy • All four Lighthouse score categories at a glance • A "CLAUDE.md" download tailored to the failing audits • "Ask Claude to fix problems" button — opens Claude Code (claude://code/new) with the full brief pre-loaded • Copy CLAUDE.md to clipboard • Right-click context menu: "Analyze this page" from anywhere • Direct link to the full Lighthouse report on pagespeed.web.dev WHAT'S IN THE CLAUDE.md For each failing audit: • A concrete, prescriptive fix suggestion (not just the metric) • The actual offending URLs, selectors, and HTML snippets ranked by potential savings (in ms or KB) • Stack-pack guidance — Lighthouse detects WordPress, React, Next.js, AMP, etc. and includes stack-specific tips For the page overall: • The Lighthouse throttling profile used (so the agent doesn't over-optimize for desktop when you measured mobile) • Resource breakdown by type • Third-party impact (entity, transfer size, main-thread time, blocking time) • Main-thread time breakdown • JavaScript bootup time per script • A "DO NOT BREAK" list of every currently-passing audit, so Claude knows the constraints WHO IT'S FOR • Developers using Claude Code who want measurable site performance wins • Indie hackers shipping fast and wanting AI to apply Lighthouse fixes • Performance engineers tired of translating audits into tickets • SEO and accessibility consultants who need a structured handoff to engineering FREE. NO SIGN-UP. NO API KEY. Powered by Google PageSpeed Insights v5. Try the web version: https://www.page-speed-claude.vercel.app