Compare software

Website GraderSitechecker
Free

Free to use in the browser.

 Freemium

The single-page SEO checker is free; crawling, monitoring and rank tracking are paid…

Web Web, Browser extension
  • Free and runs in the browser with just a URL
  • Covers performance, mobile, SEO and security in one report
  • Free page audit with a score, status code and indexation status
  • Crawler, monitoring and rank tracking in the same platform
  • Less detailed than dedicated performance or SEO audit tools
  • Part of HubSpot's marketing ecosystem
  • Most features beyond the single-page checker are paid
  • Aimed at marketers, so reports focus on SEO rather than general site health
Web application Web application, 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
Needs internet Needs internet

Checked October 1, 2026

Checked September 23, 2026

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