# CDN 与防护 (CDN and Protection)

> 静态资源加速与 DDoS 防护服务。
> 共 17 个免费服务。数据来源:https://github.com/ripienaar/free-for-dev(MIT)。更新时间:2026-09-10

- [bootstrapcdn.com](https://www.bootstrapcdn.com/) — CDN for bootstrap, bootswatch and fontawesome.io
- [CacheFly](https://portal.cachefly.com/signup/free2023) — Up to 5 TB per month of Free CDN traffic, 19 Core PoPs , 1 Domain and Universal SSL.
- [cdnjs.com](https://cdnjs.com/) — Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 11% of all websites, powered by Cloudflare.
- [developers.google.com](https://developers.google.com/speed/libraries/) — The Google Hosted Libraries is a content distribution network for the most popular Open Source JavaScript libraries
- [Gcore](https://gcorelabs.com/) — Global content delivery network, 1 TB and 1 million requests per month free and free DNS hosting
- [jsdelivr.com](https://www.jsdelivr.com/) — A free, fast, and reliable open-source CDN. Supports npm, GitHub, WordPress, Deno, and more.
- [Microsoft Ajax](https://learn.microsoft.com/en-us/aspnet/ajax/cdn/overview) — The Microsoft Ajax CDN hosts popular third-party JavaScript libraries such as jQuery and enables you to easily add them to your Web application
- [Namecheap Supersonic](https://www.namecheap.com/supersonic-cdn/#free-plan) — Free DDoS protection
- [ovh.ie](https://www.ovh.ie/ssl-gateway/) — Free DDoS protection and SSL certificate
- [PromoProxy](https://promoproxy.net/) — Free cloud Secure Web Gateway. Free plan includes up to 5 users and 1 GB per day.
- [raw.githack.com](https://raw.githack.com/) — A modern replacement of **rawgit.com** which simply hosts file using Cloudflare
- [Skypack](https://www.skypack.dev/) — The 100% Native ES Module JavaScript CDN. Free for 1 million requests per domain per month.
- [statically.io](https://statically.io/) — CDN for Git repos (GitHub, GitLab, Bitbucket), WordPress-related assets, and images
- [Stellate](https://stellate.co/) — Stellate is a blazing-fast, reliable CDN for your GraphQL API and free for two services.
- [toranproxy.com](https://toranproxy.com/) — Proxy for Packagist and GitHub. Never fail CD. Free for personal use, one developer, no support
- [UNPKG](https://unpkg.com/) — CDN for everything on npm
- [weserv](https://images.weserv.nl/) — An image cache & resize service. Manipulate images on the fly with a worldwide cache.