Many web developers like to dive head-first into code. Others prefer careful planning first, creating a road map, and then coding it piece-by-piece. No matter what your methodology is, there are several best-practices you can adopt to build a successful web application. Here are some general tips to keep in mind:

The arrival of "Web 2.0" has forever changed the way we use the internet.  We have transitioned from the web being pages of static content to something far more useful and dynamic.  In addition to the social aspect of the web, this paradigm shift has enabled the development of some truly amazing (and entertaining) web apps.  Here are seven such tools/sites I use often: