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Free SEO Audit Tool

Find and fix 170+ common SEO issues. No installation needed. No advanced SEO knowledge required.

Signing up here gives you access to Ahrefs Webmaster Tools ↗ for free

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See how well your site is performing

Health Score gives you a high-level overview of your SEO performance based on the number of errors found.

Ahrefs Site Audit. Project overview

Get a breakdown of all SEO issues

Go through all your SEO issues in the All issues overview report. Each issue is properly categorized, shows its importance and tells you how many pages are affected by it.

All issues report in Ahrefs Site Audit

Get help fixing your SEO issues

Learn about each issue and how to fix it in our comprehensive issue descriptions. Click through to see the list of affected URLs and fix what might be hindering their success in search engines.

Issue details and how to fix it

Monitor your website with automated SEO audits

Never miss an important SEO issue again. Schedule regular audits with email alerts when they're done. Compare your audit results between crawls to track your progress.

Project history report in Ahrefs Site Audit

Check who links to you

The free SEO audit tool goes beyond technical SEO. You can also check all backlinks pointing at your site with metrics such as their Domain Rating (DR) and estimated organic traffic.

Backlinks report in Ahrefs Site Explorer

See what keywords you rank for

Find out how you stack up against competitors in terms of keyword rankings:

Organic keywords report in Ahrefs Site Explorer

Questions? We have answers

  • Why don't you instantly audit my SEO right on this page?

    To produce comprehensive SEO insights, we need to crawl your whole website or at least a big chunk of it. That can take anywhere from a few minutes for smaller websites to many hours for bigger ones.

  • Is the SEO audit tool really free?

    Yes. It's part of Ahrefs Webmaster Tools which is completely free.

  • How many websites can I analyze with the free SEO audit tool?

    You can analyze an unlimited number of verified websites.

  • Is there a limit on how many pages I can crawl?

    Yes, you get 5,000 crawl credits per project per month. This means you can crawl 5,000 live pages per month.

Have other questions?

If you have more questions,
contact us so we can help.

Start using free SEO Audit Tool now! Sign up for Ahrefs Webmaster Tools for free and start improving your website SEO performance today.

Signing up here gives you access to Ahrefs Webmaster Tools ↗ for free

See All Plans