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New posts in w3c-validation

w3c compliance - html 5 - "Error: The document content type is not HTML : undefined"

html w3c-validation

W3C validation error for input type=date

html w3c-validation

W3C Validation and Vue's HTML binding syntax

html vue.js w3c-validation

CSS3 calc() validation: Value Error : width Parse Error [duplicate]

css w3c-validation css-calc

CSS Error: Expected ':' but found '/'. Declaration dropped. Line: 0

html css firefox w3c w3c-validation

XHTML Strict: br tag inside p tag

html css w3c-validation

Bad value for attribute action on element form: Must be non-empty

php html w3c-validation

Invalid role attribute value for section element?

html w3c-validation role wai-aria

Why does http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" is not validated in W3C Validator? [duplicate]

html internet-explorer w3c-validation x-ua-compatible

What DOCTYPE should I target today?

asp.net html asp.net-ajax doctype w3c-validation

nav element with no heading -- document outline

html 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
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