https://www.20i.com/cdn
Free CDN with all web hosting – Global Caching | 20iCDN
20i’s content delivery network (CDN) is included free with all web hosting. As well as global caching, it includes a Website Acceleration Suite.
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https://statically.io/
Statically - A free CDN for Git repositories, npm, and open source projects
A free CDN for GitHub, GitLab, Bitbucket, and npm packages. Convert your repository URLs to CDN links instantly.
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https://www.5centscdn.net/tools/
Free CDN & Network Tools | 5centsCDN
Free online tools to test latency, HTTP status, DNS lookup, SSL certificates, GeoIP, traceroute, and more — powered by 5centsCDN.
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