Skip to content

SSL Certificate: chessdatabase.science

🟢 Valid Certificate
Common Namechessdatabase.science
IssuerLet's Encrypt
Issuer CNR13
Valid FromApr 28 08:01:52 2026 GMT
Valid UntilJul 27 08:01:51 2026 GMT (59 days left)
Serial Number0640BC1363CF64193DE310A4EA339F7B5D48
🌐 Subject Alternative Names (1)
ℹ️ About SSL Certificates

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

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