Compare software

SEOquakeMozBar
Free

The extension is a free download; the linked web checker allows three free checks a day.

 Free

The extension is free; using it means agreeing to the Moz Terms of Use.

Web, Browser extension Browser extension
  • On-page SEO audit directly in the browser
  • Internal link inspection and URL comparison
  • Domain and Page Authority shown inline
  • On-page element analysis
  • Homepage now redirects to a Backlinko page that promotes Semrush
  • Deeper site-wide audits are pushed toward paid Semrush tools
  • Metrics are Moz's own estimates, not Google data
  • Closed source
Web application, Browser extension Browser extension
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Needs internet

Checked September 23, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.