SSL/TLS certificate
A digital certificate that encrypts communication between browser and server and enables the HTTPS protocol. Official Google ranking signal since 2014 and mandatory requirement for the “Safe” indicator in Chrome.
SSL
A digital certificate that encrypts communication between browser and server and enables the HTTPS protocol. Official Google ranking signal since 2014 and mandatory requirement for the “Safe” indicator in Chrome.
Derivatives & related terms
- TLS 1.3
- DV-SSL (domain validated)
- OV-SSL (Organization Validated)
- EV-SSL (Extended Validation)
- Wildcard SSL
- Multi-domain SSL (SAN)
- Let's Encrypt
- SSL pinning
- HSTS headers
- Mixed content alert
- Certificate expiration
SEO tip
An expired SSL certificate immediately triggers “Not Secure” browser alerts and a Google ranking drop. Activate automatic renewal and set a calendar reminder 30 days before expiration.
Source: Georgia Business & Technology Glossary by Del-Ops Technology & Consulting Team. Last Updated: February 2026.