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Sucuri SiteCheck vs Quttera Website Malware Scanner: catalog facts
Sucuri SiteCheck	Quttera Website Malware Scanner
Free The scanner is free; monitoring, firewall and cleanup are paid Sucuri services.	Freemium The online scan is free; monitoring and manual review require a paid plan.
Web	Web
Checks malware, blocklists and outdated software in one scan Flags missing security headers with fix documentation	Free scan of any public URL Looks for hidden scripts and malicious media
Remote only; cannot see server-side files Results are not guaranteed	Only sees publicly accessible content Results come with no detection guarantee
Web application	Web application
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.