Cloudflare Migrates JavaScript CDN Serving 9B Requests a Day to Its Developer Platform
9 billion requests a day. Cloudflare just proved its Developer Platform can handle the scale of a global CDN.
Why it matters
Cloudflare consolidates its JavaScript CDN infrastructure onto its own developer platform (Workers, R2, KV, Workflows, Durable Objects, Containers), demonstrating both the maturity of its toolchain and a practical case study in modern serverless-edge architecture at production scale.
The key facts
10 to knowMigration of cdnjs from legacy infrastructure to Cloudflare Developer Platform
9 billion requests per day at scale
Uses Workers, R2, KV, Workflows, Queues, Durable Objects, and Containers
Preserved package contents, URLs, and SRI hashes across migration
Consolidates publishing and delivery infrastructure
Open-source CDN for JavaScript and CSS libraries
Migration consolidated: Workers, R2, KV, Workflows, Queues, Durable Objects, Containers
Preserved package contents, URLs, and SRI hashes (backward-compatible migration)
cdnjs is public-facing, open-source infrastructure — high visibility and reliability bar
Published August 2026
Go to the source
InfoQ AI/MLinfoq.com
Publisher excerpt: Cloudflare has migrated cdnjs, its open source CDN for JavaScript and CSS libraries, to its Developer Platform. The new architecture uses Workers, R2, KV, Workflows, Queues, Durable Objects and Containers, consolidating publishing and delivery infrastructure while preserving package contents, URLs…