Skip to content

SSL Certificate: chicago.gov

🟢 Valid Certificate
Common Namechicago.gov
IssuerLet's Encrypt
Issuer CNYR1
Valid FromJun 1 19:05:35 2026 GMT
Valid UntilAug 30 19:05:34 2026 GMT (46 days left)
Serial Number06FFDCEBBE30C9F06258FC2C9BF421FE03DE
ℹ️ About SSL Certificates

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

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