

Generally, it is often faster to download a file from a CDN than it is to hold a copy of the file on your own website and download it from there, this is because CDNs are geared up for a high volume of traffic and very fast deliveries - they have lots of servers with large bandwidths. This type of server is called a content delivery network (CDN) CDNs are usually a group of geographically distributed servers that are able to provide a very fast delivery of a file or other content. There are two ways of loading the jQuery library, the first (and most popular) is for every web page to download the library from a third party web server somewhere on the internet.
