Browser Compatibility Testing

I guess you all know what is browser ?---In simple word it is software application where we can retrieve, read, display the data on the World Wide Web. In Client/Server Model the browser works as Client which is run on the computer.
There are different browsers in the market like IE, Chrome, Opera, FF, and Apple Safari.
Every browser has their own different verison, Font type, Font size, Screen Size, different plugin.

What is Browser compatibility?
Browser compatibility means how the web pages look in different browser in different version

The Browser Compatibility Testing checklist:

1. CSS validation
2.  HTML or XHTML validation
3.  Check image display correctly 
4.  Verify the fonts are usable in different browsers
5.  Test if any animated GUI
6.  Check the Video setting Like (Screen resolution –Text, alignment, font etc.)
7.  Page validations with and without JavaScript enabled
8.  Ajax and JQeury functionality
9.  Check Font size validation
10.  Check Page layout in different resolutions
11.  Check Header and footer sections
12.  Check Page content alignment to centre, LHS or RHS
13.  Special characters with HTML character encoding 

Why need to do Browser Compatibility Testing ?

Now days Web site do critical part in internet then that web site can be a shopping site or it can be a company site.It is the mirror image for the company and it is mirror image for the shopping portal.If the site has browser display problem ,issue then end user,customer will not visit the site and they might be loose interest of your site.So for that there should not be any browser related issue because visitor can be use any browser  and version of the browser which he/she would like to be use; so for that browser compatibility testing is very important.

Related  Document:
Cross Browser Testing Tool