technical

Reverse proxy

Server sitting in front of your app.

Definition

A reverse proxy (nginx, Caddy, Cloudflare) sits between users and your app server. Handles HTTPS termination, caching, load balancing, and basic security.

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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