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.

287 billion requests

past month

over 14 124 TB

past month

// load any project hosted on npm


// load jQuery v3.6.4


// use a version range instead of a specific version


// omit the version completely to get the latest one

// you should NOT use this in production


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

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


// omit the file path to get the default file


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

Full docs
jsDelivr operates thanks to our main sponsors:
Multi-CDN Global Network

Built for production

1 mil+ active oss projects served
99.46% cache hit ratio
108 301 requests per second
42 964 Mbps bandwidth

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.

 
// =>
{
  " entrypoints ": {
    " js ": {
      " file ": " / dist / js / bootstrap .min .js ",
      " guessed ":  false
    },
    " css ": {
      " file ": " / dist / css / bootstrap .min .css ",
      " guessed ":  false
    }
  }
}

Learn more about
the infrastructure that
powers jsDelivr

Check our infographic

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
								import { Fireworks } from 'https://esm.run/fireworks-js';
								
								let container = document.querySelector('.container');
								
								let options = {
									  gravity1.4,
									  opacity0.4,
									  autoresizetrue,
									  acceleration1.00,
									};
								
								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/ emoji-datasource-apple 21 646 150 397
2 npm/ bootstrap 14 195 007 758
3 npm/ swiper 11 309 720 208
5 npm/ workbox-cdn 6 916 883 642
6 npm/ slick-carousel 6 601 493 604
7 npm/ hls.js 4 289 094 126
8 npm/ bootstrap-icons 3 532 783 482
9 npm/ mathjax 2 834 129 084
10 npm/ yandex-metrica-watch 2 508 648 504
Custom CDN Endpoints
jsDelivr is happy to support unique OSS use-cases that require a fast CDN

1 896 774 423

Requests past month

1 770 GB

Bandwidth past month

175 361 584

Requests past month

17 735 GB

Bandwidth past month

47 388 085

Requests past month

43 193 GB

Bandwidth past month

262 073

Requests past month

11 343 GB

Bandwidth past month

50 573 355

Requests past month

1 911 GB

Bandwidth past month

4 713 259

Requests past month

504 GB

Bandwidth past month
jsDelivr is used by millions of websites globally