technical

SSL

Older name for TLS.

Definition

SSL (Secure Sockets Layer) is the predecessor to TLS. Modern HTTPS uses TLS, but "SSL certificate" is still the common term for the cert that powers HTTPS.

Related terms

Core Web Vitals

Google's user experience metrics.

LCP

Largest contentful paint — page load metric.

CLS

Cumulative layout shift — visual stability metric.

INP

Interaction to next paint — responsiveness metric.

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