Load Your Core JS Library through a CDN

MaxCDN (jQuery CDN), Google, Microsoft, and cdnjs.com host several JS libraries through their CDNs.
Using jQuery with a CDN

Three reasons why you should let Google host jQuery for you (or any other CDN):

• Decreased latency
• Increased Parallelism
• Better Caching

CDNs to Use

See: Using jQuery with a CDN

But not just jQuery! Several JavaScript libraries are hosted through various CDNs:

• cdnjs.com
• Google Hosted Libraries
• Microsoft Ajax Content Delivery Network