As of June 23, 2026, cdnjs, one of the Internet's busiest open-source CDNs, is running exclusively on Cloudflareâs Developer Platform. Along the way, cdnjs surfaced limits in the platform, and the platform grew to meet them.

cdnjs is a free, open-source content delivery network for JavaScript and CSS libraries. Instead of using a bundler or self-hosting jQuery, Bootstrap, or Lodash, you drop a