A free, instant website performance grader. Analyze speed, SEO, accessibility, and best practices with Google Lighthouse data.
Try it live — no signup required.
- Performance — Core Web Vitals, load time, resource optimization
- SEO — Meta tags, headings, structured data, crawlability
- Accessibility — WCAG compliance, contrast ratios, ARIA attributes
- Best Practices — HTTPS, image optimization, JavaScript errors
- Enter any URL
- The grader runs a Lighthouse audit via the PageSpeed Insights API
- Get an instant report with scores, metrics, and actionable recommendations
No API key required. No signup. Completely free.
- Single-page HTML/CSS/JS application
- Google PageSpeed Insights API (public, no key needed)
- Hosted on GitHub Pages
This tool is part of the BeLikeNative ecosystem — AI-powered writing tools for non-native English speakers.
| Tool | Type | Description |
|---|---|---|
| Grammar Check | GitHub Action | PR grammar checker with 60 rules and L1-aware insights |
| Writing Assistant | GitHub Action | Writing quality analysis: readability, structure, clarity |
| i18n Checker | GitHub Action | Find hardcoded strings that need internationalization |
| Commit Lint | GitHub Action | Commit message grammar, format & clarity checker |
| MCP Grammar Server | MCP Server | 70 local grammar rules for Claude Desktop & Cursor |
BeLikeNative Chrome Extension — AI writing assistant for 100+ languages, 15 tones, 15 styles. 10,000+ users, 4.6★ rating.
MIT