jsDelivr

01 · Who’s behind it

Who runs jsDelivr

jsDelivr jsdelivr.com

Optimized for JS and ESM delivery from npm and GitHub. Works with all web formats. Serving more than 150 billion requests per month.

Wikidata: free open-source CDN for developers

Company

No imprint we could read

Online since

Not in the Internet Archive

Audience

In English

02 · Privacy

What jsDelivr tracks

What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.

1. 01
   Skypack skypack.dev English 2 trackers

   Skypack: search millions of open source JavaScript packages

   Search millions of open source JavaScript packages on Skypack. Free to use.

   • Cloudflare DNS
   • Google Search Console
   • Mailchimp
   • Google Analytics
   • Google Workspace
   • Vercel

   0 say Skypack is a good alternative to jsDelivr 0 say Skypack isn’t a real alternative to jsDelivr

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2. 02
   cdnjs cdnjs.com English No trackers

   cdnjs

   cdnjs is the free, open-source CDN for the web's most popular libraries. JavaScript, CSS, and font resources, globally cached on Cloudflare's network. Trusted by 12.5% of all websites, serving 250 billion requests per month.

   • Algolia
   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • cdnjs
   • Cloudflare Web Analytics

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3. 03
   JS.ORG js.org Top 10K English No trackers

   JS.ORG - the JavaScript organization

   Dedicated to JavaScript and its awesome community since 2015

   • Cloudflare
   • Cloudflare DNS

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4. 04
   KeyCDN keycdn.com English 1 tracker

   KeyCDN - Content delivery made easy

   KeyCDN is a high performance content delivery network (CDN). Our global network will deliver any digital content, such as a website, software, or game, at a blazing fast speed.

   • Google Analytics
   • Amazon Route 53

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5. 05
   Astro astro.build English No trackers

   Astro

   Astro builds fast content sites, powerful web applications, dynamic server APIs, and everything in-between.

   • Cloudflare
   • Cloudflare DNS
   • Google Search Console
   • Astro
   • Fathom
   • Google Workspace

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6. 06
   jQuery jquery.com Top 1K English No trackers

   jQuery

   jQuery: The Write Less, Do More, JavaScript Library

   • Cloudflare
   • Cloudflare DNS
   • jQuery
   • PHP
   • WordPress

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7. 07
   bunny.net Top 10K English 4 trackers

   bunny.net - The Global Edge Platform that truly Hops

   Hop on bunny.net and speed up your web presence with the next-generation Content Delivery Service (CDN), Edge Storage, and Optimization Services at any scale.

   • Bootstrap
   • Google Search Console
   • Apple Business
   • bunny.net
   • Cookiebot
   • Gatsby

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8. 08
   Cloudflare cloudflare.com Top 100 English 1 tracker

   Cloudflare: Build for the agent era

   Welcome to Cloudflare - Powering the next generation of applications

   • Cloudflare
   • Google Search Console
   • Apple Business
   • Astro
   • Atlassian
   • Canva

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9. 09
   Vercel vercel.com Top 10K English 1 tracker

   Agentic Infrastructure - Vercel

   The autonomous stack for every app and agent.

   • Google Search Console
   • Amazon SES
   • Apple Business
   • DocuSign
   • Google Workspace
   • Marketo

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10. 10
    npmjs.com Top 10K English

    package manager for the Node.js JavaScript runtime environment

    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Mailchimp
    • Amazon SES
    • Google Workspace

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11. 11
    JSR jsr.io English No trackers

    JSR: the JavaScript Registry

    JSR is the open-source package registry for modern JavaScript. JSR natively supports TypeScript, and works with all JS runtimes and package managers.

    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Amazon SES
    • Google Workspace

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12. 12
    Netlify netlify.com Top 10K English Free plan 2 trackers

    Push your ideas to the web | Netlify

    Create with AI or code, deploy instantly on production infrastructure. One platform to build and ship.

    • Google Search Console
    • Amazon SES
    • Astro
    • Google Tag Manager
    • Google Workspace
    • HubSpot

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13. 13
    React react.dev English 1 tracker

    React

    React is the library for web and native user interfaces. Build user interfaces out of individual pieces called components written in JavaScript. React is designed to let you seamlessly combine components written by independent people, teams, and organizations.

    • Algolia
    • Cloudflare DNS
    • Google Search Console
    • Google Analytics
    • Next.js
    • React

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14. 14
    Sirv sirv.com English 1 tracker

    Image CDN: Image Optimization, Processing & Hosting • Sirv

    Sirv helps you and your team manage, transform, optimize and deliver digital assets for faster websites and apps. Increase your conversions with Sirv today.

    • jQuery
    • cdnjs
    • Google Fonts
    • Google Tag Manager
    • nginx
    • PHP

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15. 15
    imgix imgix.com English 6 trackers

    Combining Images, Data and Intelligence to Transform Your Business

    Redefine how you optimize, edit, and deliver your visual media with tools built for speed, performance, and AI transformation.

    • Cloudflare
    • Google Search Console
    • jsDelivr
    • Mailchimp
    • Amazon SES
    • Apple Business

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16. 16
    Socket.IO socket.io English No trackers

    Socket.IO

    JavaScript library for realtime web applications

    • Algolia
    • Vercel

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17. 17
    Lit lit.dev English 1 tracker

    Lit

    Simple. Fast. Web Components.

    • Algolia
    • Google Search Console
    • Google Analytics
    • Google Cloud
    • Google Cloud DNS

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18. 18
    Node.js nodejs.org Top 10K English No trackers

    Node.js — Run JavaScript Everywhere

    Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Google Workspace
    • Next.js
    • React

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19. 19
    Fastly fastly.com English 1 tracker

    Powering the best of the internet | Fastly

    Fastly's edge cloud platform delivers faster, safer, and more scalable sites and apps to customers. Elevate your edge CDN, video delivery, security, and more.

    • Google Search Console
    • Atlassian
    • DocuSign
    • Dropbox
    • Fastly
    • GlobalSign

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20. 20
    CDN77.com cdn77.com English 2 trackers

    Content Delivery Network (CDN) | CDN77.com

    Experience unmatched CDN performance at the best prices, powered by 330 Tbps network across 6 continents. Start testing with us today!

    • Google Search Console
    • Mailchimp
    • Atlassian
    • Google Tag Manager
    • Google Workspace
    • Next.js

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Closest first, by how much each site’s offer resembles jsDelivr’s. Trackers are counted the same way as above. Highlighted technologies are ones jsDelivr uses too. Votes and comments come from visitors and don’t change the order.

04 · History

No changes yet. Each new crawl is compared with the last one, and what jsDelivr adds, drops or rewrites shows up here.

05 · Details

How we measure

Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.