I recently heard my friend saying that valid HTML & CSS is impotant. It can make your website rank higher in Google search. Is that true?? To prove this I browse a lot about this, and here’s the result:

• From site-reference.com, saying that “Not only did Google rank both sites with obviously wrong HTML higher, they even refused to include one of the sites with valid HTML altogether“!
• A discussion from webmasterworld. My summary, valid HTML does not help your ranking but probably will help you get indexed.
• From streetdirectory. “How important is valid html if Google, Yahoo!, and MSN don’t even practice it themselves?”

So for me, if I have time, I will do the validation. It’s not too important for me.