Quick summary
- Term
- HSTS
- Plain-English definition
- HSTS is a browser security policy that tells browsers to use HTTPS for a domain.
- Technical definition
- HSTS is a browser security policy that tells browsers to use HTTPS for a domain.
- Commonly confused with
- Related domain, DNS, registrar, API, or agent-infrastructure terms.
- Related terms
- HTTPS, TLS, SSL Certificate
Definition
HSTS is a browser security policy that tells browsers to use HTTPS for a domain.
Why it matters
Incorrect HSTS setup can make a site difficult to access if HTTPS is misconfigured.