htmx Has a Free Library That Lets You Build Dynamic UIs Without Writing JavaScript

htmx gives you access to AJAX, CSS Transitions, WebSockets, and Server-Sent Events directly in HTML — no JavaScript needed.

What You Get for Free

• AJAX from HTML — hx-get, hx-post, hx-put, hx-delete
• Partial page updates — swap inner/outer HTML
• No build step — just a script tag
• 14KB — tiny, zero dependencies
• Any backend — works with Django, Rails, Go, PHP
• WebSockets + SSE — real-time from HTML attributes

Add to Any Page

<script src="https://unpkg.com/htmx.org@2.0.0"></script>

Dynamic Search

<input type="search" name="q"
       hx-get="/search"
       hx-trigger="keyup changed delay:300ms"
       hx-target="#results" />

<div id="results"></div>

The server returns HTML — htmx swaps it into #results. No JSON. No client-side rendering.

htmx vs React

Feature	htmx	React
Size	14KB	140KB+
Approach	Server-rendered	Client-rendered
Build step	None	Required
Learning curve	HTML	JSX + hooks + state

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Need web development? Check my work on GitHub or email [e-mail] for consulting.