JSDelivr (stylized as jsDelivr) is a public
content delivery network
A content delivery network (CDN) or content distribution network is a geographically distributed network of proxy servers and their data centers. The goal is to provide high availability and performance ("speed") by distributing the service spat ...
(CDN) for
open-source
Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code, design documents, or content of the product. The open source model is a decentrali ...
software projects, including packages hosted on
GitHub
GitHub () is a Proprietary software, proprietary developer platform that allows developers to create, store, manage, and share their code. It uses Git to provide distributed version control and GitHub itself provides access control, bug trackin ...
,
npm, and
WordPress.org. JSDelivr was created by developer Dmitriy Akulov.
As of September 2022, jsDelivr is estimated to be the third most popular CDN for
JavaScript
JavaScript (), often abbreviated as JS, is a programming language and core technology of the World Wide Web, alongside HTML and CSS. Ninety-nine percent of websites use JavaScript on the client side for webpage behavior.
Web browsers have ...
code, behind
cdnjs and Google Hosted Libraries. On October 14, 2020, it became the official CDN of
Bootstrap.
On March 21, it was announced that jsDelivr joined the CDN Alliance non-profit organization. In May of 2023 jsDelivr launched Globalping, a new open source project offering network monitoring APIs and tools.
Features
jsDelivr is primarily used to load code and other resources from repositories on GitHub, npm, and the theme and plugin directories for WordPress. Software developers can request a specific version of a software package, or load the latest available version. jsDelivr can also
minify any file in JavaScript,
CSS, or
SVG format, which can reduce loading times. jsDelivr permanently caches requested files, so they remain accessible even if the original software repository is moved or deleted.
Operation
jsDelivr is powered by other content delivery network providers, including
Cloudflare
Cloudflare, Inc., is an American company that provides content delivery network services, cybersecurity, DDoS mitigation, wide area network services, reverse proxies, Domain Name Service, ICANN-accredited domain registration, and other se ...
,
Fastly and BunnyCDN, and switches to another provider if one is experiencing downtime. In China, Quantil is used as the content delivery network, as other providers are affected by the
Great Firewall.
jsDelivr is primarily sponsored by Cloudflare, Fastly, NS1,
DigitalOcean
DigitalOcean Holdings, Inc. is an American multinational technology company and cloud service provider. The company is headquartered in New York City, New York, US, with 15 globally distributed data centers. DigitalOcean provides developers, ...
, and other companies.
Dmitriy Akulov is the only person or entity with full access to all services and servers required to operate jsDelivr.
References
External links
Github Repository
Content delivery networks
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