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Free ToolLIVE

Website &
Certificate Checker.

Check whether your website is secured with HTTPS, inspect the certificate, and audit key security headers β€” HSTS, CSP, clickjacking protection, and more β€” in seconds.

πŸ”’HTTPS status
βœ“Certificate details
πŸ›‘Security headers

Check your website

Public internet addresses only
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WebsiteHTTPS, certificate & headers

Checks HTTPS status, certificate details, and security headers (HSTS, CSP, clickjacking protection, and more) in one pass.

Public targets only. Only public internet addresses can be checked. Private, internal, and reserved network ranges are always blocked, for everyone's security β€” including ours.
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ResultsTransport security & browser protections
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No check yet

Enter a domain on the left and click Check Website to see results here.

What We Check

Certificate and browser-security basics.

The checker focuses on the public HTTPS configuration and the security headers a browser can observe.

HTTPSSecure transport

Confirms whether the public site is reachable over HTTPS.

TLSCertificate details

Surfaces certificate validity and identity information provided by the existing checker.

HSTSStrict Transport Security

Instructs browsers to use HTTPS for future connections.

CSPContent Security Policy

Restricts which sources may load scripts, styles, images, and other content.

FRAMEClickjacking protection

Checks framing protections such as X-Frame-Options or CSP frame-ancestors.

NOSNIFFContent type protection

Checks X-Content-Type-Options to reduce MIME-type confusion.

REFReferrer Policy

Controls how much referrer information browsers send to other sites.

PERMPermissions Policy

Limits access to browser capabilities where configured.

Running without HTTPS, or missing security headers?

We set up and manage certificate lifecycle and hardening so you don't have to watch a calendar.

HTTPS setup, automated renewal, security headers, and infrastructure hardening β€” part of how we run IT for healthcare teams.