About CheckSEO

CheckSEO is a free online service for comprehensive website SEO analysis. Enter any URL and get a detailed report with scores across 10 categories: Technical SEO, On-Page SEO, Content Quality, Links, Architecture, Structured Data, Trust & EEAT, AI Readiness, Indexability, and Performance.

The tool runs 25 automated checks that help identify issues and provide actionable recommendations to improve your site's visibility in search engines and AI-powered tools like ChatGPT, Perplexity, and Google SGE.

CheckSEO works in 10 languages and supports PDF report export. Sign in with Google to save your audit history across sessions.

No registration is required for basic audits. No API keys or subscriptions are needed. The service is entirely free to use.

What we check

  • Technical SEO — SSL, robots.txt, sitemap, mobile viewport, HTTP status, load time
  • On-Page SEO — title tag, meta description, headings, images, text volume
  • Content Quality — readability (Flesch score), sentence length, keyword density, freshness
  • Links — internal/external links, broken link detection, nofollow distribution
  • Architecture — URL structure, security headers, breadcrumbs, anchor diversity
  • Structured Data — JSON-LD, Open Graph, Microdata
  • Trust & EEAT — contact info, privacy policy, author info, Organization schema
  • AI Readiness — Entity schema, FAQ, speakable, sameAs, llms.txt, content clarity
  • Indexability — canonical, noindex, hreflang, X-Robots-Tag
  • Performance — Google PageSpeed Insights scores

Why Use CheckSEO?

CheckSEO gives you a complete picture of your site's SEO health in one automated report. Unlike manual checklists, all 25 checks run in seconds — covering everything from technical configuration and content readability to structured data and AI search engine readiness. Results include a score per category, a prioritized list of issues by severity, and actionable recommendations.

Common Questions

Is CheckSEO free to use?

Yes. CheckSEO is completely free. No credit card, API key, or subscription required. Sign in with Google to save your audit history.

How long does a full audit take?

Most audits complete in 10–30 seconds. The optional Google PageSpeed check may add a few seconds — you can skip it for a faster result.

Which SEO issues does CheckSEO detect?

CheckSEO detects issues across 10 categories including missing meta tags, broken links, slow page speed, missing structured data, weak EEAT signals, and poor AI readiness. Each issue is rated Critical, Warning, or Info.

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