Fast. Reliable. Automated.

A free CDN for open source projects

Optimized for JS and ESM delivery from npm and GitHub. Works with all web formats.

Operating since 2012.

150 billion requests

past month

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// load any project hosted on npm

https://cdn.jsdelivr.net/npm/package@version/file


// load jQuery v3.6.4

https://cdn.jsdelivr.net/npm/jquery@3.6.4/dist/jquery.min.js


// use a version range instead of a specific version

https://cdn.jsdelivr.net/npm/jquery@3.6/dist/jquery.min.js

https://cdn.jsdelivr.net/npm/jquery@3/dist/jquery.min.js


// omit the version completely to get the latest one

// you should NOT use this in production

https://cdn.jsdelivr.net/npm/jquery/dist/jquery.min.js


// add ".min" to any JS/CSS file to get a minified version

// if one doesn't exist, we'll generate it for you

https://cdn.jsdelivr.net/npm/jquery@3.6.4/src/core.min.js


// omit the file path to get the default file

https://cdn.jsdelivr.net/npm/jquery@3.6


// add / at the end to get a directory listing

https://cdn.jsdelivr.net/npm/jquery/

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chromium-bidi 157.4K downloads
GoogleChromeLabs
popular js Version 3.2.1 License Apache-2.0
chromium-bidi JS library on GitHub chromium-bidi JS library on npm Download chromium-bidi JS library
157.4K downloads

An implementation of the WebDriver BiDi protocol for Chromium implemented as a JavaScript layer translating between BiDi and CDP, running inside a Chrome tab.

Version 3.2.1 License Apache-2.0
chromium-bidi has no homepage
chromium-bidi JS library on GitHub
chromium-bidi JS library on npm
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intersection-observer 137.7M downloads
GoogleChromeLabs
popular js Version 0.12.2 License Apache-2.0
intersection-observer JS library on GitHub intersection-observer JS library on npm Download intersection-observer JS library
137.7M downloads

A polyfill for IntersectionObserver

Version 0.12.2 License Apache-2.0
intersection-observer has no homepage
intersection-observer JS library on GitHub
intersection-observer JS library on npm
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Keywords
IntersectionObserver
container-query-polyfill 8M downloads
GoogleChromeLabs
popular esm Version 1.0.2 License Apache-2.0
container-query-polyfill JS library on GitHub container-query-polyfill JS library on npm Download container-query-polyfill JS library
8M downloads

*Please note that this polyfill is now in maintenance mode, as of Nov, 2022. We are not planning to add more features or enhancements.* ____________________________

Version 1.0.2 License Apache-2.0
container-query-polyfill has no homepage
container-query-polyfill JS library on GitHub
container-query-polyfill JS library on npm
Download container-query-polyfill JS library
comlink 632.1K downloads
GoogleChromeLabs
esm Version 4.4.2 License Apache-2.0
comlink JS library on GitHub comlink JS library on npm Download comlink JS library
632.1K downloads

Comlink makes WebWorkers enjoyable

Version 4.4.2 License Apache-2.0
comlink has no homepage
comlink JS library on GitHub
comlink JS library on npm
Download comlink JS library
jsbi 13K downloads
GoogleChromeLabs
esm Version 4.3.2 License Apache-2.0
jsbi JS library on GitHub jsbi JS library on npm Download jsbi JS library
13K downloads

JSBI is a pure-JavaScript implementation of [the ECMAScript BigInt proposal](https://tc39.es/proposal-bigint/), which officially became a part of the JavaScript language in ES2020.

Version 4.3.2 License Apache-2.0
jsbi has no homepage
jsbi JS library on GitHub
jsbi JS library on npm
Download jsbi JS library
wasm-feature-detect 58.8K downloads
GoogleChromeLabs
esm cjs Version 1.8.0 License Apache-2.0
wasm-feature-detect JS library on GitHub wasm-feature-detect JS library on npm Download wasm-feature-detect JS library
58.8K downloads

A small library to detect which features of WebAssembly are supported in your current browser.

Version 1.8.0 License Apache-2.0
wasm-feature-detect has no homepage
wasm-feature-detect JS library on GitHub
wasm-feature-detect JS library on npm
Download wasm-feature-detect JS library
native-url 0 downloads
GoogleChromeLabs
esm Version 0.3.4 License Apache-2.0
native-url JS library on GitHub native-url JS library on npm Download native-url JS library
0 downloads

Brings the node url api layer to whatwg-url class

Version 0.3.4 License Apache-2.0
native-url has no homepage
native-url JS library on GitHub
native-url JS library on npm
Download native-url JS library
Keywords
urlurinormalizationnormalisationqueryquerystringwhatwg-urlparseformatresolveresolveObject
browser-fs-access 2.6K downloads
GoogleChromeLabs
esm cjs Version 0.35.0 License Apache-2.0
browser-fs-access JS library on GitHub browser-fs-access JS library on npm Download browser-fs-access JS library
2.6K downloads

File System Access API with legacy fallback in the browser.

Version 0.35.0 License Apache-2.0
browser-fs-access has no homepage
browser-fs-access JS library on GitHub
browser-fs-access JS library on npm
Download browser-fs-access JS library
Keywords
file system accessfile system access apifile systemponyfill
page-lifecycle 3.7K downloads
GoogleChromeLabs
esm Version 0.1.2 License Apache-2.0
page-lifecycle JS library on GitHub page-lifecycle JS library on npm Download page-lifecycle JS library
3.7K downloads

A JavaScript library to observe Page Lifecycle API states: https://github.com/WICG/page-lifecycle

Version 0.1.2 License Apache-2.0
page-lifecycle has no homepage
page-lifecycle JS library on GitHub
page-lifecycle JS library on npm
Download page-lifecycle JS library
Keywords
pagelifecycleunloadbeforeunloadvisibilityStatevisibilitychangeactivepassivehiddenfrozendiscardedterminated
worker-plugin 0 downloads
GoogleChromeLabs
js Version 5.0.1 License Apache-2.0
worker-plugin JS library on GitHub worker-plugin JS library on npm Download worker-plugin JS library
0 downloads

Webpack plugin to bundle Workers automagically.

Version 5.0.1 License Apache-2.0
worker-plugin has no homepage
worker-plugin JS library on GitHub
worker-plugin JS library on npm
Download worker-plugin JS library
Keywords
webpackpluginworkerweb workerthread
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The jsDelivr API allows you to get details about NPM packages, such as their versions, tags, and files. By analyzing package metadata and its real usage, it can automatically suggest the correct entry point for each file type.

Additionally the API provides detailed download statistics for each project, version, and file, as well as network-wide usage statistics.

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Get project entry points List project versions List package files
https://data.jsdelivr.com/v1/packages/npm/bootstrap@5.1.0/entrypoints
 
// =>
{
  " entrypoints ": {
    " js ": {
      " file ": " / dist / js / bootstrap .min .js ",
      " guessed ":  false
    },
    " css ": {
      " file ": " / dist / css / bootstrap .min .css ",
      " guessed ":  false
    }
  }
}

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Learn more about ESM 
								import { Fireworks } from 'https://esm.run/fireworks-js';
								
								let container = document.querySelector('.container');
								
								let options = {
									  gravity: 1.4,
									  opacity: 0.4,
									  autoresize: true,
									  acceleration: 1.00,
									};
								
								let fireworks = new Fireworks(container, options);
								
								fireworks.start();

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