There are plenty of reasons why you would want to gain insight about the people viewing your web pages. For example, if you'd like to determine what the most popular web browser accessing your website/web application is, or what operating system people use, then you can use MooTools in conjunction with a server-side scripting language (like PHP), and a database (like MySQL), to mine this information.
The Browser component can do three things:
Determine whether a browser has a specific feature (
Browser.Features
)What rendering engine (
Browser.Engine
) it usesWhat operating system (
Browser.Platform
) the client is running on