Safari is a web browser developed by Apple Inc. First released as a public beta on 7 January 2003 on the company’s Mac OS X operating system, it became Apple’s default browser beginning with Mac OS X v10.3 “Panther”. It is the most popular browser in the world that even Mac Windows and Linux users are known. Currently, Safari web browser available on the Mac, Windows, iPhone, or iPod touch environments.

However, web development using Safari may still seems a bit troublesome compare to Mozilla Firefox. Previously, the addition of new features for Safari by developers 3rd almost impossible because your browser does not support plugins. Now it has come true.
Note: Many plugins work through something called SIMBL (Simple InputManager Bundle Loader), which is basically a little tool that helps developers manage and run their code as plugins for the different applications on OS X. It’s free.