There’s a lot of freedom in WordPress development to extend the platform to just about anything you could imagine. However, when you develop for WordPress you have to make sure your theme or plugin can play nice with other WordPress extensions. Coding in a vacuum is inexcusable and can cause you or someone else a lot of trouble down the road. Here are some of the major things to look out for:
1. Loading your own copy of jQuery
C’mon man…Seriously? Loading your own copy of jQuery is a great way to just ruin everything.