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Checkbot vs Netpeak Spider: catalog facts
Checkbot	Netpeak Spider
Freemium Free to install, with Checkbot Pro from $10 per month.	Paid Commercial software with a free trial.
Browser extension	Windows, macOS
Crawls hundreds of pages at once More than 50 SEO, speed and security checks	Dedicated crawler for technical SEO audits Runs as a desktop application
Chrome only Some features require a paid plan	Paid after the trial Closed source
Browser extension	Downloadable app
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	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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