See exactly how secure your site is — and how to fix it.
Enter a URL. We read the live response and grade your headers, TLS, cookies, DNS and public exposure — then hand you the precise fix for every gap.
Passive & read-only. No login, no stored data, no impact on your site.
What every audit checks
6 modules · passiveSecurity headers
CSP, HSTS, X-Frame-Options, Referrer-Policy, Permissions-Policy and information disclosure.
SSL / TLS certificate
Validity, expiry window, signature algorithm and trust-chain issues.
HTTPS enforcement
HTTP-to-HTTPS redirection, downgrade risk and redirect-chain length.
Cookie security
Secure, HttpOnly and SameSite flags on every cookie the site sets.
DNS & email security
SPF, DMARC and CAA records that block spoofing and rogue certificates.
Exposed files
Public .env, .git, server-status, plus a check for a security.txt contact policy.
Don't just find the gaps — close them
All services →Fix guides
All guides →How to Fix a Missing Content-Security-Policy Header
A missing CSP is the most common high-impact gap we find. Here's how to add one safely without breaking your site.
HSTS Explained — Stop SSL Stripping with Strict-Transport-Security
HTTPS alone doesn't stop downgrade attacks. HSTS does. Here's what the header means and how to deploy it safely.
Securing Cookies — HttpOnly, Secure, and SameSite Explained
Three small flags turn a leaky cookie into a hardened one. Here's what Secure, HttpOnly and SameSite do and how to set them.