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Glossary · Web development

HTTP / HTTPS

The protocol that web browsers and servers use to exchange data — HTTPS is HTTP with TLS encryption, now standard for all sites.

Definition

In long form.

HTTP (HyperText Transfer Protocol) defines the request/response cycle: a client asks for a resource (GET /), the server responds with a status code and body. HTTPS adds TLS encryption, ensuring the request and response can't be read or modified in transit. Every modern browser flags non-HTTPS sites as insecure and Google ranks HTTPS pages above HTTP equivalents. HTTP/2 and HTTP/3 are newer versions with multiplexed streams and lower latency, both available over TLS.

In context

Every site we ship is HTTPS-only with HSTS (Strict Transport Security) enabled and HTTP-to-HTTPS redirects at the edge. There's no excuse for serving HTTP in 2026 — TLS certificates are free via Let's Encrypt, and CDNs handle them automatically.

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