Free SEO Lighthouse Audit

Run Google Lighthouse's dedicated SEO audit on any URL. Check everything from document crawlability and meta tags to tap target sizing and font legibility — all scored and fixable.

Free Tool

Free SEO Lighthouse Audit

Google Lighthouse's SEO category tests the technical on-page signals search engines need to crawl, understand, and rank your page. Our free tool runs this audit in under 30 seconds and surfaces every failing check with clear remediation guidance.

What the Free SEO Lighthouse Audit Checks

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Document Crawlability

Checks for robots meta tags, X-Robots-Tag headers, and whether the page is blocked by robots.txt — confirming Googlebot can actually access and process the URL.

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Mobile SEO Signals

Verifies a viewport meta tag exists, font sizes are at least 12px for legibility, and tap targets (buttons, links) are at least 48x48px — critical for mobile-first indexing.

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Link Architecture

Checks that all links have descriptive anchor text (not just 'click here'), external links use rel=noopener, and href attributes contain valid URLs rather than JavaScript handlers.

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Structured Data

Validates presence of JSON-LD or Microdata structured data and tests it for schema.org conformity — a prerequisite for rich results in Google Search.

Free On-Page SEO Tools