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New posts in w3c-validation

Should I remove trailing slashes in meta tags?

html meta-tags w3c-validation html4

Closing tag with ID property

html closures w3c doctype w3c-validation

W3C validator says 'feed does not validate' 'url must be a full URL'... whats wrong with it?

url rss w3c w3c-validation rfc

How widely supported is the iframe attribute "allowfullscreen"?

html iframe w3c-validation

Offline html5 validator

html validation w3c-validation

"An img element must have an alt attribute, except under certain conditions." What conditions?

html w3c-validation

Element style not allowed as child of element body in this context (<style scoped> not validating)

html css w3c-validation

Stray end tag img

html user-interface markup w3c-validation

W3C validation for complete site [closed]

w3c-validation

Why do major websites not pass W3C validation properly? [closed]

html dom w3c w3c-validation

W3C validation says h1 in article is invalid

html w3c-validation

HTML 5 - Early Adoption Where Possible - Good or Bad?

html cross-browser w3c-validation

Is there any single tool that runs JSLint, W3C validator (both CSS3 and HTML5) on files in a given directory? [closed]

javascript html css w3c-validation jslint

How to validate vendor prefixes in CSS like -webkit- and -moz-?

css w3c-validation vendor-prefix

What throws Internet Explorer into quirks mode?

css internet-explorer xhtml w3c-validation quirks-mode

Can a td be inside a td

html html-table w3c w3c-validation

Validation error: "The itemprop attribute was specified, but the element is not a property of any item"

seo meta-tags w3c-validation schema.org microdata

Can I use label element with select?

html label html-select w3c-validation

"& did not start a character reference. (& probably should have been escaped as &amp;.)" w3c markup

html w3c-validation

Should I care about W3C validation?

angularjs validation w3c-validation
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