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New posts in w3c-validation
Microdata itemprop causes W3C validator error
Sep 01, 2022
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W3C validation for <ui-select>
May 14, 2022
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angularjs
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HTML standards for input names on complex forms
Feb 11, 2022
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X/Html Validator in PHP
Nov 20, 2022
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Can a <figure> element contain only a <figcaption> without an image?
Oct 18, 2022
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w3c-validation
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is -negative margin or padding invalid CSS according to W3C?
Nov 07, 2022
css
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How to make a sitemap link in the page head pass the W3C validator?
Jan 24, 2022
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sitemap
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Are unquoted data URIs valid in CSS?
Jun 03, 2020
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w3c compliance - html 5 - "Error: The document content type is not HTML : undefined"
Dec 17, 2020
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W3C validation error for input type=date
May 01, 2020
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W3C Validation and Vue's HTML binding syntax
Mar 19, 2021
html
vue.js
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CSS3 calc() validation: Value Error : width Parse Error [duplicate]
Jan 26, 2020
css
w3c-validation
css-calc
CSS Error: Expected ':' but found '/'. Declaration dropped. Line: 0
Jun 18, 2022
html
css
firefox
w3c
w3c-validation
XHTML Strict: br tag inside p tag
Dec 12, 2018
html
css
w3c-validation
Bad value for attribute action on element form: Must be non-empty
Jul 29, 2022
php
html
w3c-validation
Invalid role attribute value for section element?
Nov 03, 2022
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]
Sep 07, 2019
html
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w3c-validation
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What DOCTYPE should I target today?
Nov 11, 2022
asp.net
html
asp.net-ajax
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nav element with no heading -- document outline
Oct 21, 2022
html
w3c-validation
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