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Cdnjs
Content delivery network for web resources From Wikipedia, the free encyclopedia
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cdnjs is a free and open-source software (FOSS) content delivery network (CDN) hosted by Cloudflare.[3][4] As of May 2021, it serves 4,013 JavaScript and CSS libraries, which are stored publicly on GitHub.[5][6][7] It is included in millions of websites, or 12.4% of the websites on the Internet, making it the second most popular CDN for JavaScript.[8][9][10]
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History
In January 2011, Ryan Kirkman and Thomas Davis created the service,[11] launching it on GitHub on February 25, 2011.[12][13][14] It initially served content through Amazon CloudFront.[12][15] On June 15, 2011,[16] cdnjs partnered with Cloudflare, who provided the CDN and subdomain cdnjs.cloudflare.com for the project.[12][13][14][17]
On November 1, 2019, the founders turned over control of cdnjs to Cloudflare, citing "technical and commercial reasons."[18] According to the community maintainers, the project was difficult to manage because of limited access to the GitHub repository, inactive founders, and a small budget.[18][19][20] It is estimated the annual budget at the time was approximately $50/yr.[18][21]
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Operation
The service is maintained by the community and Cloudflare.[4] As of May 2021, there have been 1,443 contributors to the main GitHub repository, and 88 contributors to the newer package configuration GitHub repository.[6][22]
It is also sponsored by DigitalOcean, Algolia, Heroku, Atlassian, Sentry, and Lean20.[23][24][25]
There is a public JSON API for developers to query cdnjs library metadata.[26][27]
Resources on cdnjs can be loaded using a number of connection protocols – HTTP/2, HTTP, HTTPS or SPDY.[5][25][28]
The cdnjs.cloudflare.com domain is part of the HSTS preload list.[29]
There exist websites that host clones of cdnjs libraries on their own servers:
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References
External links
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