SEO Audit Engine

Paste any URL and get a 0-100 SEO score plus a full line-by-line report: meta tags, headers, performance, robots.txt, sitemap. Results cached for 6 hours.

Free tier · 3 fresh audits per 24 h · used 0 so far. Cached results are unlimited.

What we check

28 signals across 6 groups

Meta tags

Title length, description length, keywords, viewport, robots, HTML lang, charset, Open Graph, Twitter card.

SEO structure

H1/H2/H3 counts, canonical URL, JSON-LD structured data, favicon, AMP link, image alt coverage, internal vs. external links.

Security headers

HTTPS, HSTS, CSP, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, Permissions-Policy, Content-Type.

Performance

TTFB, total download time, HTML payload size, compression (gzip/br), HTTP status code.

Discoverability

robots.txt presence + Sitemap reference, sitemap.xml validity + URL count.

Scoring

Weighted pass/warn/fail across all checks, normalized to a 0-100 score. Info-only items don't affect the score.