Survey results from WebCompat community

We asked the web development community some key questions. Here were some common answers in no particular order:

What do you do when you need to search on the web about compatibility?
Google
Can I Use
StackOverflow

How do you test if your project is compatible with most of browsers and devices possible?
Manual testing/Virtual machines
Browserstack
SauceLabs
Using devices available at my company

What are the biggest problems you encounter related to compatibility of your projects?
Internet Explorer
CSS compatibility
Alignments and Styles
Colors and typography
JavaScript
Android 2.x is the new IE
Older browsers

Do you consider the compatibility between web browsers and devices important? Why?
"Yes, it would be great to develop once and publish to multiple locations."
"Yes, everyone has the right to receive the same product."
"Yes, so that all users have good experiences with the final product"
"Easier to code, test, maintain."