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TL;DR - esm.run
- Delivers JavaScript modules on-demand via a global CDN.
- Optimized for modern web browsers, Node.js, and Deno environments.
- Utilizes advanced delivery technologies for high performance and uptime.
Pricing: Free forever
Best for: Individuals & startups
Pros & Cons
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 buildsPermanent storage for built filesGlobal Multi-CDN powered by jsDelivrSupport for modern web browsers, Node.js, and DenoHTTP/2 and HTTP/3 deliveryCode minificationBrotli compressionFine-tuned HTTP caching
Pricing Plans
Free
Free
- A New-Age CDN for JavaScript modules
- Works in modern web browsers, node.js, and deno
- Global Multi-CDN powered by jsDelivr
- On-demand builds with permanent storage
- State-of-the-art delivery (HTTP/2, HTTP/3, code minification, brotli compression, fine-tuned HTTP caching, dependency preloading)
About esm.run
By Toolradar Team·
esm.run is a new-age Content Delivery Network (CDN) specifically designed for JavaScript modules. It allows developers to import modern JavaScript packages directly into their web browsers, Node.js, and Deno environments without needing a build step. The service dynamically builds packages on-demand and stores them permanently for fast future access.
Powered by jsDelivr and its global network of sponsors like Cloudflare, Fastly, Bunny, and GCore, esm.run ensures high performance and uptime worldwide, including mainland China. It leverages state-of-the-art delivery optimizations such as HTTP/2, HTTP/3, code minification, Brotli compression, fine-tuned HTTP caching, and dependency preloading to improve overall performance. It's ideal for quick demos, prototyping, and eventually production use for serving JavaScript modules efficiently.
How we evaluate tools →Source: esm.run
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esm.run FAQ
What is esm.run?
esm.run is a CDN service by jsDelivr that delivers modern JavaScript modules on-demand. It dynamically builds and serves packages, allowing them to be imported directly into web browsers, Node.js, and Deno environments.
How much does esm.run cost?
Based on the available information, esm.run is a free service.
Is esm.run free?
Yes, esm.run is a free service provided by jsDelivr.
Who is esm.run for?
esm.run is for developers who need to quickly load modern JavaScript packages in web browsers, Node.js, or Deno. It's particularly useful for prototyping, quick demos, and eventually production environments that benefit from a globally optimized CDN for JavaScript modules.
Source: esm.run