SEO Audit Tool

Professional SEO Analyzer

A complete on-page audit in seconds — SERP preview, meta tags, broken links, HTTP headers, accessibility, Core Web Vitals and more.

SEO Score

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Meta Tags

Content

Technical

Performance

Mobile

Security

Accessibility

Best Practices

Core Web Vitals

LCP

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FCP

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CLS

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TTFB

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Issues Found

Checks Passed

Word Count

Total Links

SEO Categories Radar

Issues by Priority

Meta Summary

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Performance Summary

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Google Search Preview

Rich Results Eligibility

URL Audit

Title & Description

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Canonical & Robots

Open Graph

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Twitter / X Cards

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Hreflang & International SEO

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Headings Structure

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Content Statistics

Images Audit

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Content Quality

Total Links

Internal

External

Nofollow

Broken

Link Quality

Link Attributes

Internal Links

External Links

Crawlability

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Indexability

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HTTP Security Headers

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Redirect & Server Info

robots.txt

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Sitemap

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Load Time

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Page Size

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TTFB

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HTTP Status

All Core Web Vitals

Page Resources

Compression & Caching

Mobile Performance

Keyword Cloud

Single Words

2-Word Phrases

3-Word Phrases

Website Visual Preview

Screenshots will appear after analysis

Prioritized Recommendations

🔴 High Priority

🟠 Medium Priority

🟢 Low Priority

SEO Checklist (14 checks)

Ready-to-Use Code Snippets

Meta Tags

Open Graph Tags

Twitter Card Tags

Schema.org WebSite

robots.txt

Developer API

Need this in your own app? Automate it with the API.

Everything this tool does, available as a simple REST endpoint with JSON responses — perfect for scripts, monitoring and integrations. Free tier: 100 requests/month, no card required.

Get your free API key Read the docs

terminal

curl -H "X-API-Key: tn_your_api_key" \
  "https://tools-ninja.com/api/v1/seo-analyze?url=https://example.com"