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expressjs.com/index.md
2026-01-08 13:30:07 -05:00

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---
layout: home
title: Express - Node.js web application framework
description: "Express is a fast, unopinionated, minimalist web framework for Node.js, providing a robust set of features for web and mobile applications."
menu: home
redirect_from: "/en/index.html"
---
<section id="home-content">
<div id="homepage-leftpane" class="pane">
<section id="description">
<div class="express"><span>Express</span><a href="https://github.com/expressjs/express/releases" id="express-version">{{ site.data.express.current_version }}</a></div>
<h1 class="description">Fast, unopinionated, minimalist web framework for <a href='https://nodejs.org/en/'>Node.js</a></h1>
</section>
<pre class="install-command"><code>$ npm install express --save</code></pre>
</div>
<div id="homepage-rightpane" class="pane" markdown="1">
```javascript
const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => {
res.send('Hello World!')
})
app.listen(port, () => {
console.log(`Example app listening on port ${port}`)
})
```
</div>
</section>
{% if site.announcement %}
<section id="announcements">
{% include announcement.html %}
</section>
{% endif %}
<section id="intro">
<div id="boxes" class="clearfix">
<div id="web-applications">
<h2>Web Applications</h2> Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.
</div>
<div id="apis">
<h2>APIs</h2> With a myriad of HTTP utility methods and middleware at your disposal, creating a robust API is quick and easy.
</div>
<div id="performance">
<h2>Performance</h2> Express provides a thin layer of fundamental web application features, without obscuring Node.js features that you know and love.
</div>
<div id="middleware">
<h2>Middleware</h2>
Express is a lightweight and flexible routing framework with minimal core features
meant to be augmented through the use of Express <a href="{{ page.lang }}/resources/middleware.html">middleware</a> modules.
</div>
</div>
</section>