SSL Certificate: chessprogramming.org

đŸŸĸ Valid Certificate
Common Namechessprogramming.org
IssuerLet's Encrypt
Issuer CNR12
Valid FromMar 20 11:51:59 2026 GMT
Valid UntilJun 18 11:51:58 2026 GMT (77 days left)
Serial Number05082486FBE602D14A63E2FF8C6B8B9B9ABC
â„šī¸ About SSL Certificates

SSL (Secure Sockets Layer) certificates encrypt data between your browser and chessprogramming.org's server. A valid SSL certificate ensures that your connection is private and that you're communicating with the real Chessprogramming website.

Websites without valid SSL certificates may show browser warnings and are penalized in search engine rankings.