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New posts in w3c-validation

HTML5 - 2017 right way to order <tbody> and <tfoot> elements?

html html-table w3c-validation

How to make a "simple" GET request if the resource doesn't allow CORS?

css cors w3c w3c-validation fetch-api

svg inline in HTML5 and svg custom attribute

html svg dtd w3c-validation custom-attribute

Website W3C validator shows "Mismatch between Public and System identifiers in the DOCTYPE declaration", what to do?

xhtml doctype w3c-validation rdfa

Can a css variable name start with a number?

css syntax w3c-validation css-variables

Using HTML tags in JavaScript strings while complying with W3C rules

javascript html w3c w3c-validation

How to make an img tag valid according to w3c with str_replace or some other php function? [closed]

php html regex w3c-validation

Why is /🌈 an invalid path when /a🌈 is valid?

html emoji w3c-validation url-parsing

<link rel="shortcut icon"> validation error despite being valid

html favicon w3c-validation

Possible to add line breaks in a textarea field while keeping it XHTML 1.0 valid?

xhtml w3c-validation line-breaks

Is a label for an hidden field 508 compliant?

html struts2 accessibility w3c-validation section508

Element p not allowed as child of element dl in this context. (Suppressing further errors from this subtree.)

php html css w3c w3c-validation

How to detect the w3.org's bot in PHP?

php w3c w3c-validation bots

element "iframe" undefined - Errors found while checking this document as XHTML 1.0 Strict!

css xhtml w3c-validation

Does a .NET library for the W3C Markup Validator API exist? [closed]

.net soap w3c w3c-validation

Can I use duplicate IDs on multiple <template> fragments?

html dom xhtml w3c-validation

Switch browser to a strict mode in order to write proper html code

html w3c-validation

Nu Html Checker Error "A numeric character reference expanded to carriage return." when using "&#013;"

html w3c-validation carriage-return

Getting an error in W3C Markup Validation when trying to get a whole <Figure> element as a link in a page

html w3c-validation figure

Parse errors when using calc with rem and px

css w3c-validation css-calc
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