SSL Certificate Checker

Inspect server headers, HTTP versions, SSL configuration, cookies, redirect chains and security policies for any website.

Example Result for: https://google.com

Status: 301 Moved Permanently

HTTP Version: HTTP/2

Server: gws

Content-Type: text/html; charset=UTF-8

Content-Length: 222

Date: Sun, 30 Nov 2025 08:20:00 GMT

HSTS: max-age=31536000; includeSubDomains

X-Frame-Options: SAMEORIGIN

X-XSS-Protection: 0

X-Content-Type-Options: nosniff

Referrer-Policy: strict-origin-when-cross-origin

Permissions-Policy: interest-cohort=()

Cookies: NID=abc123...; Secure; HttpOnly; SameSite=Lax

Redirect Chain:

http://google.com → 301 → https://www.google.com

Frequently Asked Questions

You can check an SSL certificate by entering a domain into an SSL checker tool. The tool verifies the certificate issuer, expiration date, HTTPS status, and security configuration instantly.

An SSL certificate checker analyzes HTTPS configuration, certificate validity, issuer information, and security headers of a website.

Yes, SiteInfoCheck SSL Certificate Checker is completely free to use with no registration required.

It inspects server headers, HTTP versions, SSL settings, cookies, redirects, and security policies of any website.

Yes, the analyzer inspects SSL configurations, HSTS, and other security headers for HTTPS websites.

Absolutely. Cookies and redirect chains can be shown as part of the analysis results (when provided by the server response).

The analyzer relies on live server responses. Results are generally accurate, but may vary due to caching layers, CDNs, geo-routing, or temporary server settings.

Yes. The tool is responsive and works on desktops, tablets, and mobile devices.