React, Vue, Svelte — they all assume you need a JavaScript framework to build interactive web applications. htmx disagrees. It extends HTML with attributes that let you make AJAX requests, swap content, and build reactive UIs — all without writing a single line of JavaScript. What htmx Gives You for Free AJAX from HTML — any element can make HTTP requests via attributes Content swapping — replace any part of the page with server HTML CSS transitions — smooth animations on content swap WebSocket/SSE — real-time updates via HTML attributes History API — browser back/forward works automatically 14KB gzipped — no build step, no bundler, just a <script> tag Quick Start <script src= "https://unpkg.com/htmx.org@2" ></script> That's it. No npm install, no webpack, no node_modules. AJAX in HTML (The Core Idea) <!-- Click button → GET /api/users → replace #user-list --> <button hx-get= "/api/users" hx-target= "#user-list" hx-swap= "innerHTML" > Load Users </button> <div id= "user-list" > <!-- Se