SSL Certificate: igraph.org

đŸŸĸ Valid Certificate
Common Nameigraph.org
IssuerLet's Encrypt
Issuer CNR12
Valid FromMar 1 21:11:14 2026 GMT
Valid UntilMay 30 21:11:13 2026 GMT (57 days left)
Serial Number0690A2B8181D76711A4C306524AF6FE5A9C2
🌐 Subject Alternative Names (1)
â„šī¸ About SSL Certificates

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

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