Free Website Security Scan: Instant A–F Grade | NovaPentest
Free website security scan
Check any site's HTTP security headers, TLS certificate, cookies, Content Security Policy and email DNS records. No signup and no email. Results in under a minute.
The free scan only reads what a site sends to every visitor. It sends no attack payloads, so you can check any public website.
What the free scan checks
HTTP security headers such as HSTS and X-Content-Type-Options
TLS certificate validity and the HTTP to HTTPS redirect
Cookie flags: Secure, HttpOnly and SameSite
Content Security Policy strength
SPF and DMARC email records
Subresource Integrity on third-party scripts
Clickjacking protection
Mixed content on HTTPS pages
robots.txt and security.txt
Exposed server and framework versions