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.

294 billion requests

past month

over 15 742 TB

past month

// 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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unassert < 100 downloads

esm cjs Version 2.0.2 License MIT

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Encourages programming with assertions by providing tools to compile them away

Version 2.0.2 License MIT

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unassertify < 100 downloads

js Version 3.0.1 License MIT

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Browserify transform for unassert: Encourages programming with assertions by providing tools to compile them away

Version 3.0.1 License MIT

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js Version 3.2.0 License MIT

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Babel plugin for unassert: Encourages programming with assertions by providing tools to compile them away

Version 3.2.0 License MIT

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js Version 1.2.0 License MIT

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A webpack loader for unassert: Encourages programming with assertions by providing tools to compile them away

Version 1.2.0 License MIT

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cjs Version 3.0.0 License MIT

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Gulp plugin for unassert: Encourages programming with assertions by providing tools to compile them away

Version 3.0.0 License MIT

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Version 0.1.0 License MIT

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SWC plugin for unassert: Encourages programming with assertions by providing tools to compile them away

Version 0.1.0 License MIT

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unassert-cli < 100 downloads

js Version 1.0.0 License MIT

< 100 downloads

CLI for unassert: encourage reliable programming by writing assertions in production code, and compiling them away from release

Version 1.0.0 License MIT

Keywords

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and failover

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All files from npm and GitHub available with zero setup

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Combine multiple
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IDE Integrations

A free API for all your
NPM and ESM needs

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.

Read the API documentation

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

}

}

}

A New-Age CDN for
JavaScript modules

Load modern JavaScript packages built for you on-demand.
Works in modern web browsers, node.js, and deno.

Global Multi-CDN

HTTP/3, minification, brotli compression, fine-tuned HTTP caching, dependency preloading

Permanent storage shared by all edge servers

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();

Analytics and Stats

Use our stats to better understand how your projects are being used, which versions are popular, and which files are being downloaded the most.

Top 10 npm packages past 30 days

1 npm/ bootstrap 14 687 149 479

2 npm/ swiper 12 256 803 262

3 npm/ emoji-datasource-apple 10 852 269 066

4 npm/ prebid-universal-creative 8 854 474 228

5 npm/ slick-carousel 6 815 331 767

6 npm/ workbox-cdn 6 375 527 427

7 npm/ hls.js 4 455 419 068

8 npm/ bootstrap-icons 3 825 194 120

9 npm/ mathjax 2 733 473 370

10 npm/ gsap 2 311 964 526

Custom CDN Endpoints

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