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swup

★ 5,219 Open GitHub ↗

Versatile and extensible page transition library for server-rendered websites 🎉

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**swup 4 is released  🎉  Check out the [release notes](https://swup.js.org/announcements/swup-4/) and [upgrade guide](https://swup.js.org/getting-started/upgrading/).**

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# Swup

Versatile and extensible **page transition library** for server-rendered websites.

[Features](#features) •
[Demos](#demos) •
[Plugins](#plugins) •
[Themes](#themes) •
[Documentation](https://swup.js.org/getting-started) •
[Discussions](https://github.com/swup/swup/discussions)

## Overview

Swup adds **page transitions** to server-rendered websites. It manages the complete page load lifecycle
and smoothly animates between the current and next page. In addition, it offers many other
quality-of-life improvements like **caching**, **smart preloading**, native **browser history** and
enhanced **accessibility**.

Make your site feel like a snappy single-page app — without any of the complexity.

## Features

- ✏️ Works out of the box with [minimal markup](https://swup.js.org/getting-started/example/)
- ✨ Auto-detects [CSS transitions](https://swup.js.org/getting-started/how-it-works/) & animations for perfect timing
- 🔗 Updates URLs and preserves native [browser history](https://swup.js.org/options/#animatehistorybrowsing)
- 🏓 Manages the scroll position between pages and anchor links
- 🚀 Uses a [cache](https://swup.js.org/api/cache/) to speed up subsequent page loads
- 📡 Offers [hooks](https://swup.js.org/hooks/) to customize and extend the page load lifecycle
- 🔌 Has a powerful [plugin system](https://swup.js.org/plugins/) and many official and third-party plugins
- 🎨 Provides ready-to-go [themes](https://swup.js.org/themes/) to get started quickly

## Demos

Explore our [interactive demos](https://swup.js.org/getting-started/demos/) to see swup in action.

## Documentation

Visit our [official documentation](https://swup.js.org/getting-started) to learn more.

## Plugins

Swup is small by design. Extended features can be added via [plugins](https://swup.js.org/plugins/):

- Display a [progress bar](https://swup.js.org/plugins/progress-plugin/) while loading
- Enable [smooth scrolling](https://swup.js.org/plugins/scroll-plugin/) between visits
- Update [meta tags and stylesheets](https://swup.js.org/plugins/head-plugin/) after page loads
- Add support for [preloading pages](https://swup.js.org/plugins/preload-plugin/) in the background
- Improve [accessibility](https://swup.js.org/plugins/a11y-plugin/) for screen readers
- Perform your [animations in JS](https://swup.js.org/plugins/js-plugin/) instead of CSS transitions
- Animate [form submissions](https://swup.js.org/plugins/forms-plugin/)
- Get help in [debug mode](https://swup.js.org/plugins/debug-plugin/)

Check out the list of [official](https://swup.js.org/plugins/) and [third-party](https://swup.js.org/third-party-plugins/) plugins.

## Themes

Get started quickly with one of three official themes: [fade](https://swup.js.org/themes/fade-theme/),
[slide](https://swup.js.org/themes/slide-theme/), and [overlay](https://swup.js.org/themes/overlay-theme/).

## Examples

Take a look at the [interactive demos](https://swup.js.org/getting-started/demos/) and
[sites using swup](https://github.com/swup/swup/discussions/333) for more examples.

## Having trouble?

If you're having trouble implementing swup, check out the [Common Issues](https://swup.js.org/getting-started/common-issues/) section of the docs, look at [closed issues](https://github.com/swup/swup/issues?q=is%3Aissue+is%3Aclosed) or create a [new discussion](https://github.com/swup/swup/discussions/new).

## Want to Contribute?

[We're looking for maintainers!](https://github.com/swup/swup/discussions/424)   👀

Become a sponsor on [Open Collective](https://opencollective.com/swup) or support development through
[GitHub sponsors](https://github.com/sponsors/gmrchk).

This project is tested with BrowserStack.

swup

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