Compare software

Detailed SEO ExtensionMozBar
Free

Free, with no paid tier according to the developer.

 Free

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

Browser extension Browser extension
  • Heading structure shown at a glance
  • Checks X-Robots headers as well as meta tags
  • Domain and Page Authority shown inline
  • On-page element analysis
  • Closed source
  • Page-level insights only, not a full site crawl
  • Metrics are Moz's own estimates, not Google data
  • Closed source
Browser extension Browser extension
Closed source Closed source
License not stated License not stated
No account 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.