Even then, different versions will have their own misses... not to mention 3rd party libraries on another CDN means another DNS hit.
DNS resolution time is a pretty significant impact for a lot of sites.
DNS resolution time is a pretty significant impact for a lot of sites.
The benefits of hosting say Google Fonts, Font Awesome, jQuery, etc. all with KeyCDN is that I can take better advantage of parallelism if I have one single HTTP/2 connection. Not to mention I have full control over my assets to implement caching (cache-control), expire headers, etags, easier purging, and the ability to host my own scripts.