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jsDelivr

Free CDN for open source projects

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jsDelivr is a free content delivery network for open source files, integrated with GitHub and npm. It serves JavaScript and ESM files from npm and GitHub packages, and works with general web file formats. Files can be referenced by package name and version, a version range, or no version to get the latest, and minified versions of JS/CSS files are generated on demand.

The service provides a public API for npm package details, including versions, tags, files, entry points, and download statistics. It supports combining multiple files on-demand, minification on-demand, source map support, version aliasing, and multiple IDE integrations. The esm.run service loads modern JavaScript packages built on-demand for modern web browsers, node.js, and deno, with HTTP/3, minification, brotli compression, and fine-tuned HTTP caching. Custom CDN endpoints are available for unique open source use cases.

jsDelivr is intended for open source projects and websites that need to serve files from npm and GitHub. It is completely free to use with no bandwidth limits or premium features.

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