Cloudflare successfully migrated cdnjs, serving 9 billion requests daily across 12% of all websites, entirely onto its Developer Platform using Workers, Workflows, D1, Queues, and other services. The migration addressed critical pain points in the previous GCP-based architecture, including poor observability, split-brain storage between KV and GitHub, and fragmented pipeline orchestration. The pro
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
Originally published at blog.cloudflare.com
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