SSL Certificate: optimus.pl

🟡 Expiring Soon (18 days)
Common Nameoptimus.pl
IssuerLet's Encrypt
Issuer CNR13
Valid FromJan 25 00:09:04 2026 GMT
Valid UntilApr 25 00:09:03 2026 GMT (18 days left)
Serial Number0674B233BF885422F9FE01034A984C1FEF52
🌐 Subject Alternative Names (1)
â„šī¸ About SSL Certificates

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

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