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VirusTotal vs Sucuri SiteCheck: catalog facts
VirusTotal	Sucuri SiteCheck
Free Scanning URLs and files on the website is free.	Free The scanner is free; monitoring, firewall and cleanup are paid Sucuri services.
Web	Web
Aggregates verdicts from many scanning engines Handles both URLs and files	Checks malware, blocklists and outdated software in one scan Flags missing security headers with fix documentation
Uploaded items are processed by a third-party service Verdicts can disagree and need interpreting	Remote only; cannot see server-side files Results are not guaranteed
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.