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Timeline for W3C Compliance v SEO

Current License: CC BY-SA 3.0

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Oct 27, 2011 at 22:30 comment added John Conde It is a dupe indeed. Nice catch.
Oct 27, 2011 at 21:24 comment added Osvaldo I've removed it.
Oct 27, 2011 at 21:22 comment added Su' @JohnConde Is HTML validation necessary for ranking? from mid-March 2011 still basically says no. Osvaldo, unless you can back up the validation comment better, I'd remove it. (Though I do still think the question should be closed as a dupe.)
Oct 27, 2011 at 21:17 history edited Osvaldo CC BY-SA 3.0
Edited as I couldn't find reputable source for the previous clame
Oct 27, 2011 at 21:14 comment added Osvaldo I can't find the original article (I've searched for it), but it was an article about new quality indicators. That included that a site would rank better if it would met a number of (new) quality indicators. For example I remember a reputable author/editor, less spelling mistakes, speed, and cleaner html code. I'll edit my answer. "penalize" is a strong word and what I've read is that it would be one of many many quality indicators.
Oct 27, 2011 at 20:22 comment added John Conde Can you post a link for that bit about Google penalizing sites for excessive HTML errors? I'd like to give that a read.
Oct 27, 2011 at 20:14 history answered Osvaldo CC BY-SA 3.0