cdnjs.com

cdnjs

Who runs cdnjs, what it tracks and what it costs, and the 20 closest open-source library CDN alternatives.

Who’s behind it: Not stated
Online since: Unknown
Trackers
Prices: No pricing page
Last price change: –
Closest alternative: Skypack

Measured from cdnjs’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.

Visit cdnjs

01 · Who’s behind it

Who runs cdnjs

cdnjs cdnjs.com

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.

Wikidata: free and open-source CDN service

Company: No imprint we could read
Online since: Not in the Internet Archive
Audience: In English

02 · Privacy

What cdnjs 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.

trackers that follow visitors

None of the 17 alternatives below has fewer; 14 have more.

Privacy-friendly alternatives →

Cookie banner: None found
US company: 1 tool

Privacy-friendly analytics

Counts visits without cookies or personal profiles.
- Cloudflare Web AnalyticsUS

03 · Alternatives

Alternatives to cdnjs

No ad trackers Registered in the EU Free plan Only in English

None of the 60 sites closest to cdnjs match these filters. We read imprints and pricing pages once a week, so more sites qualify as we get to them.

04 · History

What changed

Price and policy history →

No changes yet. Each new crawl is compared with the last one, and what cdnjs 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.

The full technology stack and search numbers · 6 technologies

Neighbours: k = 60
Sites searched: 9,216
Vector: 384-d
Query: 151 ms

Built with

Analytics: Cloudflare Web Analytics asset https://static.cloudflareinsights.com/beacon.min.js/vce701823e78c4301a35b7e07294d87301792…
CDN: cdnjs asset https://cdnjs.cloudflare.com/
Cloudflare header cf-ray: a5779d4d2e0a22e9-HAM
Site search: Algolia page source: .algolia.com
DNS hosting: Cloudflare DNS NS ben.ns.cloudflare.com
SaaS tools (verified in DNS): Google Search Console TXT google-site-verification=JF-0wyE0uZzwRsZjnO7zEPL7ECUFBn5idbUbKk_s2Rg

What competitors use

Across the 20 closest sites.