Questions tagged [w3c-validation]

You can use W3C validation services to check HTML documents, CSS stylesheets, Atom/RSS feeds, and more.

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

The W3C validator doesn't like self-closing tags (those that end with "/>") on non-void elements. (Void elements are those that may not ever contain any content.) Are they still valid in HTML5? Some examples of accepted void elements:

html syntax w3c-validation

asked Aug 24 '10 at 15:28

cdeszaq

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13 answers

Can I use non existing CSS classes?

I have a table where I show/hide a full column by jQuery via a CSS class that doesn't exist: …

html css w3c-validation web-standards

asked Sep 09 '13 at 15:22

totymedli

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5 answers

Google fonts URL break HTML5 Validation on w3.org

I load 3 fonts in different sizes using this HTML tag: Till ~1/2 weeks ago this was…

html w3c-validation google-font-api

asked Mar 17 '14 at 22:40

Octavian

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Best practice for meta data in a html document?

I work on a large scale, high volume, public facing web application. The successful operation of the application is very important to the business, and so there are a number of MI tools that run against it. One of these MI tools essentially looks at…

html meta-tags w3c-validation

asked May 10 '12 at 12:15

Nathan Russell

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No p element in scope but a p end tag seen.w3c validation

My HTML is as as below. I have opened all elements and closed them. Still when I check it on w3c it shows error. I cant figure it out. Untitled Document …

html w3c-validation html-validation

asked Jan 13 '14 at 06:04