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New posts in w3c-validation

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 &.)" w3c markup

html w3c-validation

Should I care about W3C validation?

angularjs validation w3c-validation

W3C validation with AngularJS directives

html angularjs w3c w3c-validation

How do I escape an ampersand in a javascript string so that the page will validate strict?

javascript jquery ajax w3c-validation

"Attribute name not allowed on element div at this point"

html w3c-validation

"The frameborder attribute on the iframe element is obsolete. Use CSS instead."

html iframe w3c-validation

'div' inside 'table'

html w3c-validation

There is no attribute "allowtransparency"

html css w3c w3c-validation

Validate HTML on local machine

html validation localhost w3c-validation

What elements can a span tag contain in HTML5?

html w3c-validation web-standards

Google +1 Button not W3C compliant

javascript w3c w3c-validation google-plus-one

w3c html validation error - Section lacks heading. Consider using h2-h6 elements to add identifying headings to all sections

html semantic-markup w3c-validation sections html-validation

Is <link> (not rel="stylesheet") allowed to be used in <body>?

html w3c-validation

Is it necessary to have <tbody> in every table?

xhtml w3c semantic-markup w3c-validation

How to write W3C compliant multi-level bullet points in HTML?

html w3c-validation html-lists
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