If you are a webmaster or someone who concern about web browser then you want to check your site working compatibility with another browser. Just to make sure if your design will work and looks nice on al or major browser. Before you work with your project, it’s better if you know if you code will support by major browser or not.
You can compare or check browser compatibly without open the web browser from CanIUse.com.
This site offers you to know which feature is support by browser and compare with another browser to see if this feature don’t support by the other browser.
How to use it is simple. Just select Compatibility Table or Browser Comparasion. Then choose what items you want to check or compare.
Please note, to know exactly that a site is compatible for all browser then you must test it by opening on each browser manually.