Dogfooding at scale: migrating cdnjs to Cloudflare’s Developer Platform
Summary
We moved cdnjs, serving 9 billion requests a day, entirely onto Cloudflare's Developer Platform. That means we’re running one of the Internet's busiest open-source CDNs on our own building blocks, and we pushed Workflows and Workers limits higher for everyone.
Original Text
As of June 23, 2026, cdnjs, one of the Internet's busiest open-source CDNs, is running exclusively on Cloudflare’s 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
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