Hi,
To maximize the performance of Jquery or JavaScript performance we will minify the Jquery or JavaScript files.

To minify the files:

We have some tools(offline and online tools.) like

YUI Compressor and JSMin.(Offline) And

1. Online Javascript Compression Tool (Online Tool)
2. ONLINE JAVASCRIPT CODE COMPRESSOR (Online Tool)
3. JavaScript Compressor(Online Tool)

To Maximize the minifies file:

we can use http://jsbeautifier.org/.