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HTML error of multiple attribute for input type="text" with Rails datagrid gem...

htmlruby-on-railsdatagridw3c-validation

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What elements can a span tag contain in HTML5?...

htmlw3c-validationweb-standards

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W3C HTML validation error - Section lacks heading. Consider using h2-h6 elements to add identifying ...

htmlw3c-validation

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Are (non-void) self-closing tags valid in HTML5?...

htmlsyntaxw3c-validation

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Should I remove trailing slashes in meta tags?...

htmlmeta-tagsw3c-validationhtml4

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Convert read only fields for accessibility purposes...

accessibilitywai-ariascreen-readersw3c-validationuiaccessibility

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Why can frontend frameworks can create custom attributes but I'm expected to prepend "data-...

htmldomfrontendw3c-validation

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Adding ID attribute to all HTML elements of a web application?...

htmlw3cw3c-validationweb-standards

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How do I fix "Error: A charset attribute on a meta element found after the first 512 bytes.&quo...

htmlw3c-validation

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

xhtmlw3csemantic-markupw3c-validation

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There is no attribute "allowtransparency" ...

htmlcssw3cw3c-validation

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W3C Validator offline on localhost by ajax...

javascriptw3cw3c-validationadobe-brackets

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W3C validator, CSS3 and Bootstrap...

csstwitter-bootstrapw3c-validation

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html 5 marquee tag error in w3c validation...

htmlw3c-validationmarquee

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HTML Email Validation?...

phphtml-emailstandardsw3c-validation

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Help with HTML validation error: Table column has no cells beginning in it...

htmlvalidationw3c-validation

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Is it invalid HTML to write "&" by itself? Why?...

htmlstandardsw3c-validation

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

htmliframew3c-validation

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W3C validator gives 'document type does not allow element "input" here...' error f...

htmlformsxhtmlw3c-validation

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How do you proceed html markup validation in your svelte app?...

htmlsveltew3c-validation

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Are multiple angle brackets valid in HTML?...

htmlw3c-validation

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What is the use of using semantic markup in HTML writing?...

htmlw3c-validationsemantic-markup

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What's a minimally valid HTML5 document?...

htmlvalidationw3c-validation

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W3C Validation: Ordered List element inside Label...

htmlxhtmlw3c-validationxhtml-transitional

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'charset=iso-8859-1' with <!DOCTYPE HTML> is throwing a warning...

htmlcharacter-encodingdoctypew3c-validation

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Valid XHTML error - <div> is not allowed in <a>...

htmlxhtmlw3c-validation

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How can I use strings for the rel attribute?...

htmlw3c-validationrel

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HTML validation in a multipage jquery mobile app...

htmljquery-mobilew3c-validation

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AngularJS app not passing official W3C HTML5 validation...

javascripthtmlangularjsw3c-validation

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Validation error: ul not allowed as child of element span...

htmlw3c-validation

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