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.

247 billion requests

past month

over 12 136 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/[email protected]/dist/jquery.min.js


// use a version range instead of a specific version

https://cdn.jsdelivr.net/npm/[email protected]/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/[email protected]/src/core.min.js


// omit the file path to get the default file

https://cdn.jsdelivr.net/npm/[email protected]


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

https://cdn.jsdelivr.net/npm/jquery/

Full docs
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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
1 mil+ active oss projects served
99.46% cache hit ratio
96 649 requests per second
38 360 Mbps bandwidth
View our network map

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
    123456789101112131415
    https://data.jsdelivr.com/v1/packages/npm/[email protected]/entrypoints
     
    // =>
    {
      " 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
    Learn more about ESM
    123456789101112131415
    								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.

    See more stats

    Top 10 npm packages past 30 days

    1 npm/ bootstrap 13 287 471 693
    2 npm/ workbox-cdn 10 294 242 256
    3 npm/ prebid-universal-creative 9 835 997 418
    4 npm/ swiper 8 568 094 980
    5 npm/ emoji-datasource-apple 7 894 305 778
    6 npm/ slick-carousel 6 439 713 521
    7 npm/ hls.js 4 213 970 454
    8 npm/ yandex-metrica-watch 2 900 801 781
    9 npm/ bootstrap-icons 2 721 455 927
    10 npm/ mathjax 2 037 427 947
    Custom CDN Endpoints
    jsDelivr is happy to support unique OSS use-cases that require a fast CDN
    Explore all custom endpoints

    3 417 978 496

    Requests past month

    3 183 GB

    Bandwidth past month

    367 582 300

    Requests past month

    26 436 GB

    Bandwidth past month

    31 657 959

    Requests past month

    24 301 GB

    Bandwidth past month

    348 040

    Requests past month

    15 638 GB

    Bandwidth past month

    50 703 697

    Requests past month

    2 140 GB

    Bandwidth past month

    6 898 611

    Requests past month

    860 GB

    Bandwidth past month
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