Free · no login · runs from Vigil's servers

Check any website in seconds

Four free checks that Vigil runs for its customers every minute, open to anyone. Paste a URL, get a shareable result with a fix for every finding.

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Website security check

Grade a site A+ to F on HSTS, CSP, clickjacking, cookie flags, TLS versions and leaked server versions, with a fix for each finding.

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SSL certificate check

Expiry date, days left, issuer, SANs, negotiated TLS version, and whether the chain, hostname and trust are in order.

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Uptime & speed check

One real request from our server: status code, DNS / connect / TLS / TTFB / download timing, redirect chain and response size.

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Domain & DNS check

Registration expiry and registrar from RDAP, lock status, name servers and every A, AAAA, MX, NS, TXT and CNAME record.

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