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.

204 billion requests

past month

over 8 555 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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Built for production

Four CDN
& 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/ emoji-datasource-apple 22 723 268 042

2 npm/ bootstrap 13 878 848 758

3 npm/ swiper 10 229 595 859

4 npm/ prebid-universal-creative 9 294 564 349

5 npm/ workbox-cdn 6 963 714 314

6 npm/ slick-carousel 6 581 921 082

7 npm/ hls.js 4 166 016 737

8 npm/ bootstrap-icons 3 445 661 065

9 npm/ mathjax 2 917 436 530

10 npm/ yandex-metrica-watch 2 462 270 641

Custom CDN Endpoints

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

Explore all custom endpoints

645 411 776

Requests past month

600 GB

Bandwidth past month

57 135 741

Requests past month

5 900 GB

Bandwidth past month

17 022 145

Requests past month

15 783 GB

Bandwidth past month

92 989

Requests past month

3 688 GB

Bandwidth past month

15 049 905

Requests past month

571 GB

Bandwidth past month

1 610 495

Requests past month

172 GB

Bandwidth past month

Explore all custom endpoints

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