cdnjs vs Cloudflare

Cloudflare is the more common of the two in our index: it runs on 40,103 websites against 6,023 for cdnjs, and 6,023 sites use both. Counts come from real scans, not vendor claims.

cdnjs: 6,023
Cloudflare: 40,103

cdnjs

cdnjs is a free distributed JS library delivery service.

Indexed sites: 6,023
Share of CDN: 12%

Well-known sites using it

hosting24.com
who.int
ipify.org
hostinger.com
datadoghq.com
skyhigh.cloud

All 6,023 sites

Cloudflare

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Indexed sites: 40,103
Share of CDN: 79%

Well-known sites using it

cloudflare.com
twitter.com
linkedin.com
digicert.com
x.com
roblox.com

All 40,103 sites

Used together

6,023 sites run both cdnjs and Cloudflare. That is 100% of the sites using cdnjs, the smaller of the two.

More comparisons

Cloudflare vs jsDelivrCDN
Amazon CloudFront vs CloudflareCDN
Amazon CloudFront vs jsDelivrCDN
cdnjs vs jsDelivrCDN
Amazon CloudFront vs cdnjsCDN

Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.