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esm.run

esm.run is a new-age Content Delivery Network (CDN) specifically designed for JavaScript modules.

Free tierPrice verified 2026-09-30Visit site ↗
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Our verdict

Who it's for

Load modern JavaScript packages on-demand with global CDN performance.

Who should look elsewhere

Currently in beta for production use

Pros

  • +Simplifies JavaScript module loading without a build step
  • +Ensures high performance and uptime globally
  • +Utilizes advanced web delivery optimizations
  • +Suitable for quick demos and prototyping
  • +Free to use

Cons

  • −Currently in beta for production use
  • −Limited information available on the website beyond core functionality

Key features

  • ✓On-demand JavaScript module builds
  • ✓Permanent storage for built files
  • ✓Global Multi-CDN powered by jsDelivr
  • ✓Support for modern web browsers, Node.js, and Deno
  • ✓HTTP/2 and HTTP/3 delivery
  • ✓Code minification
  • ✓Brotli compression
  • ✓Fine-tuned HTTP caching

Pricing

PlanPriceBillingNotes
Free—monthA New-Age CDN for JavaScript modules; Works in modern web browsers, node.js, and deno; Global Multi-CDN powered by jsDelivr

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