CDNJS, is a free and open source CDN built to make life easier for developers serving over 12.5% of all websites, powered by Cloudflare.
They believe in the open-source mission and want to support a fast and free web. To do that, they’ve built their service to be free, public, and developer/web-friendly since 2011.
They have handled over 200 billion requests a month and support HTTP/3, HTTP/2, QUIC, and SPDY, with HSTS, enabled to ensure a secure connection and using Brotli 11 to compress files. While a CDN isn’t perfect for every occasion , cdnjs is when you need it.