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.

156 billion requests

past month

over 5 462 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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& three DNS providers

More than 540 points
of presence

Low latency "Near China"
network

Smart load-balancing
and routing

Multi-layer cache
and failover

Formal ToS
and Privacy Policy

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Developer Friendly

All files from npm and GitHub available with zero setup

Usage statistics

Combine multiple
files on-demand

Minify files on-demand

Source map support

Version aliasing

Multiple
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 14 522 039 993

2 npm/ swiper 12 292 084 426

3 npm/ emoji-datasource-apple 10 979 315 295

4 npm/ prebid-universal-creative 8 848 998 465

5 npm/ slick-carousel 6 775 314 434

6 npm/ workbox-cdn 6 445 590 885

7 npm/ hls.js 4 354 629 580

8 npm/ bootstrap-icons 3 746 612 147

9 npm/ mathjax 2 867 695 750

10 npm/ yandex-metrica-watch 2 390 818 534

Custom CDN Endpoints

jsDelivr is happy to support unique OSS use-cases that require a fast CDN

Explore all custom endpoints

48 490 147

Requests past month

47 GB

Bandwidth past month

5 718 391

Requests past month

605 GB

Bandwidth past month

974 761

Requests past month

829 GB

Bandwidth past month

4 597

Requests past month

200 GB

Bandwidth past month

1 462 091

Requests past month

55 GB

Bandwidth past month

104 467

Requests past month

8 GB

Bandwidth past month

Explore all custom endpoints

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