How to do web-side compatibility testing

Environment of compatibility testing
1, Compatibility testing: Refers to the test project on a specific software platform, the use of different applications, different operating systems in different network environment normal operation.
2, the main types of Web Compatibility test: Common operating system has WINDOWS7, Windows XP and so on. Users use the type of operating system, determines the operating system platform compatibility test operating system number, the main purpose of the operating system compatibility test is to ensure that we test the project under the operating system to normal use.
Second, the compatibility test method:
1, Function Point test: To see whether the software to meet the required functions
2, String length check: input exceeds the demand string length content, to see whether the page error (such as: login password required 6-20 digits, letters and underscores, can be set less than 6 digits or greater than 20 digits, letters and underscores to verify)
3. Character type check: Enter a type other than the character type to see if the page will make an error
4, punctuation check: Enter special characters, such as: space, various quotes, enter, to see if the system is handled correctly
5, Chinese character processing: In the need to enter the English characters, to see if there will be garbled or fault
6, Information repetition: uniqueness check. Enter duplicate name, ID, ID number, etc. (case-sensitive)
7, interface check: correctness, friendliness, consistency and ease of use.
Although we do not have the means to achieve complete quality assurance, but for a project compatibility testing is an indispensable part of software testing.