What should every programmer know about web development?

by Abhishek

Web developers,
You should read following question and answer (the top one of course) multiple times. 

http://programmers.stackexchange.com/questions/46716/what-should-every-programmer-know-about-web-development#answer-305381

You should bookmark the link in all the browsers you use and refer it whenever you are starting a new project.

And did I mention that you are really missing a lot if you don't participate in Stack Overflow or Stack Exchange Sites?