Agent X Alpha

SEO Checker

Server API

Analyze any webpage for essential on-page SEO factors. Get instant insights into titles, meta descriptions, headings, images, and links.

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Comprehensive SEO Audit

Audit any website URL against 20+ search ranking factors including titles, meta tags, heading hierarchies, and crawl files.

Weighted Health Score & Grade

Get an instant 0–100 composite SEO score and letter grade with prioritized critical issues and actionable fix recommendations.

SERP & Hierarchy Visualizer

Inspect Google Search snippets in desktop/mobile formats and visualize heading hierarchy gaps before they harm rankings.

Frequently Asked Questions

What does this SEO Checker audit on a webpage?
The tool inspects essential technical and on-page SEO factors including Title tag length, Meta Description completeness, canonical URL tags, Open Graph preview tags, H1-H6 heading hierarchy, image alt attributes, and viewport responsiveness.
How quickly does the SEO audit run?
Audits complete in 1 to 2 seconds. The scanner fetches the target URL, extracts page markup, and delivers an actionable scorecard with specific optimization recommendations.
Does the SEO Checker store my audited URLs or client data?
No. Requests are processed in real-time and results are never logged, retained, or shared with third parties.
Can I test local development URLs or localhost?
The online checker requires publicly accessible HTTP/HTTPS URLs. To test localhost, you can expose your local port using a temporary tunnel tool like ngrok or Cloudflare Tunnels.
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