Existing since 1995 browser, developed by Microsoft, which provides them with every version of its Windows.

Like most modern browsers Ie supports popular text markup languages (HTML 4.01 and 5), as well as cascading style tables (Css) various versions, which allows him to easily display the practical any web resource in an acceptable form for users.

Throughout its existence, Internet Explorer has experienced significant bursts and declining popularity among Internet users - its share has ranged from 24 to 68 %.

Based on these data, we can conclude that this browser is one of those that you need to focus on when testing such important for everyone website abilities like adaptability and crossbrowser. Otherwise, a fairly significant proportion of site visitors may encounter problems interacting with it and its correct display on Internet Explorer, which will undoubtedly not have a very good effect on the formation behavioral factors, willingly counted search engines at ranking their issuance.