Mozilla Firefox is the advanced or enhanced version of Mozilla Firefox with additional safety measures in it. It is very much easier or simple for the user to manage their web knowledge in it. It has various features like enabled HTTP for searching in Google which avoids 3rd party sites from collecting information when one clicks the search result page, helps in verifying characteristics of the website inside the browser’s splendid bar. It also supports full screen support of OS X Lion 10.7 for Mac users. It also has the feature of auto-complete i.e. it automatically completes the address as the user type. It also helps the user for having complete control over plug ins.