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.

285 billion requests

past month

over 13 882 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
112 275 requests per second
43 157 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 23 372 788 834
2 npm/ bootstrap 14 051 559 917
3 npm/ swiper 10 644 009 061
5 npm/ workbox-cdn 6 902 309 508
6 npm/ slick-carousel 6 608 469 653
7 npm/ hls.js 4 231 859 621
8 npm/ bootstrap-icons 3 502 047 739
9 npm/ mathjax 2 916 132 279
10 npm/ yandex-metrica-watch 2 480 391 347
Custom CDN Endpoints
jsDelivr is happy to support unique OSS use-cases that require a fast CDN

2 557 833 376

Requests past month

2 374 GB

Bandwidth past month

218 050 343

Requests past month

22 361 GB

Bandwidth past month

65 226 860

Requests past month

60 121 GB

Bandwidth past month

358 410

Requests past month

14 682 GB

Bandwidth past month

56 530 507

Requests past month

2 147 GB

Bandwidth past month

6 121 474

Requests past month

645 GB

Bandwidth past month
jsDelivr is used by millions of websites globally