Compare software

InterroBotSiteOne Crawler
Freemium

A free Community Edition is available, with paid Plus and Pro upgrades.

 Free

Free and open source.

Windows, macOS, Linux, Android, iOS Windows, macOS, Linux, Command line
  • Searches site content and filters CSS classes, scripts, image sources, HTTP details, and response times
  • Helps find HTTP errors and redirects
  • Broad audit covering SEO, security, accessibility and performance
  • Both a desktop GUI and a scriptable CLI
  • Some features require Plus or Pro licensing
  • The large number of CLI options takes time to learn
  • Crawling large sites can put load on the target server
Downloadable app Downloadable app
Closed source Open source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 8, 2026

Checked September 24, 2026

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