Comparisons
How Cactus compares
Honest comparisons with tools you may already know - what each does best, and where Cactus's free, bilingual, plain-language approach fits.
A free securityheaders.com alternative
securityheaders.com is the classic header grader. Cactus does the same A-to-F grading, free and bilingual, with plain-language fixes.
Read comparisonA free MXToolbox alternative for everyday checks
MXToolbox is the pro's Swiss-army knife for DNS and email diagnostics. Cactus covers the everyday checks - email auth, TLS, blacklists, certs - explained simply and free.
Read comparisonA free VirusTotal alternative for checking links
VirusTotal is a deep, analyst-grade scanner. For the everyday question - "is this link safe?" - Cactus gives a clear, plain-language answer, free and bilingual.
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