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SSL Certificate: lichess.dev

🟢 Valid Certificate
Common Namelichess.dev
IssuerLet's Encrypt
Issuer CNYE2
Valid FromJul 8 18:43:59 2026 GMT
Valid UntilOct 6 18:43:58 2026 GMT (83 days left)
Serial Number0578D09E65EE6035AEDADD5A61A7D55D37A1
ℹ️ About SSL Certificates

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

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