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Web Development Concepts, APIs & Standards

A single annotated diagram of what actually happens when someone types a URL, the browser renders a page, JavaScript asks the server for data, and the backend returns a response.

read - ~1 min
published - 2026-05-02
author - admin
category - Web development
blueprint – request lifecycle
live – annotated
click any pin – 17 mapped – 8 below
https://restontechwiz.com/?ref=glossary GUI — BROWSER DOM TREE FRONT END — RUNS IN BROWSER REQUEST — — RESPONSE BACK END — SERVER GET /api/posts REST endpoint — returns JSON function get_posts() { $rows = wpdb->query(…); return wp_json($rows); } add_filter(‘rest_api_init’, …); [ { id: 1, title: “Hello”, published: true } { id: 2, title: “Field notes”, published: true } ] UTF-8 — 1.4 kb // 17 of 25 concepts mapped — 8 below in the grid

Concepts not on the blueprint

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