Html5 Forum

My code: I get this error: there is no attribute 'annotation' element 'g:plusone… Read more Google +1 Code Validation Error: Missing Attribute

I pretty much make sure my website(s) always validates. So today, after changing a certain item on … Read more Html Aria Validation Issues (html5)

I am new in W3c validations, I am trying to fix this error but it's not happening. The error is… Read more W3c Validation Error In Asp.net

Trying to get close a W3C validation of the output from my aspx (VB.NET 2008 Framework 3) I get thi… Read more Net-enabling Start-tag Requires Shorttag Yes

I want to find or make a bookmarklet that will validate the html content of a currently viewed page… Read more Making/finding Html5 Validator Bookmarklet

I'm running my website through the W3C validation service. I'm getting an error message for… Read more W3c Validation Says H1 In Article Is Invalid

I use a clear div in several places in a single HTML file, a la: #clear { clear: both; } usage… Read more W3c Validator Complaining About Duplicate Div

This question was inspired a bit by this question, in which the most upvoted answer recommended usi… Read more Html 5 - Early Adoption Where Possible - Good Or Bad?