Lighthouse for GEO: Performance Auditing
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PerplexityGoogle Lighthouse provides automated audits for performance, accessibility, and SEO that directly impact GEO readiness.
Google Lighthouse audits performance, accessibility, SEO, and best practices — all factors that influence AI crawler efficiency and content extraction quality.
GEO-Relevant Lighthouse Checks
| Category | GEO Impact | Key Metrics |
|---|---|---|
| Performance | AI crawl speed | LCP, FID, CLS |
| Accessibility | Content extractability | Alt text, semantic HTML |
| SEO | AI discoverability | Meta tags, headings, crawlability |
| Best Practices | Trust signals | HTTPS, no errors |
Running a GEO Audit
- Open Chrome DevTools (F12)
- Navigate to Lighthouse tab
- Select all categories
- Run audit on desktop and mobile
- Target 90+ scores in all categories
Key GEO Checks
- SEO score 90+: Meta descriptions, heading hierarchy, crawlability
- Accessibility 90+: Semantic HTML, alt text, ARIA labels
- Performance 80+: Fast page loads for AI crawlers
- Best Practices 90+: HTTPS, no console errors
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- AI Readability Score — Quality framework
- HTML Semantic Structure for AI — Structure guide
- Screaming Frog for GEO Audit — Crawl-based audit
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