jQuery is one of the most popular and powerful JavaScript library, but in order to use it, you need to load into your webpage using standard HTML <script> tag. Based on whether your webpage is public accessible or for a organization, you can either choose to load jQuery library from local file system, bundled inside your web application or you can directly download using one of the content delivery network (CDN) e.g. Google or Microsoft CDN. Choosing CDN to download jQuery can offer a performance benefit because there servers are spread across the globe. This also offer an advantage that if visitor of your site has already downloaded a copy of jQuery from the same CDN, then it won't have to be re-downloaded. By the way if you want to bundle jQuery into your web application or want to load it from local file system, you can always download latest version of jQuery from jQuery site at http://jquery.com. Installing jQuery required this library to be placed inside your web application and using the HTML <script> tag to include it into your pages e.g. <script type="text/JavaScript" src="scripts/jquery-1.10.2.js"></script>. jQuery site offers compressed and uncompressed copies of jQuery files, uncompressed file is good for development and debugging, but can slow down page loading if used in production. Compressed file saves bandwidth and improves performance inproduction. In this article, I am sharing couple of CDN URLs from where you can directly load jQuery files into your web page, this includes popular Google CDN, jQuery CDN and Microsoft CDN.
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