XHTML Strict 1.0 - target="_blank" not valid?...

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Is it possible to render empty <div style="width:50%"> </div> with CSS in xHTM...

Can we place `<img>` inside `<h1>` according to web standards?...

Use of <br /> and accessibility...

Custom data in XHTML 1.0 Strict...

window.onload works fine with aspx page, but not in regular html...

I cannot understand this error in XHTML strict...

Meta tag 'there is no attribute “class” ' and 'there is no attribute “property” 'and...

I have problems at xhtml strict 1.0 validation...

<select> not allowed in <form> tag?...

Nested lists in strict XHTML1.0 for ebook invalid...

Github Pages with XHTML 1.0 Strict, Can I use without Cloudflare mail protection?...

Producing well-formed XHTML with Pelican...

If I use XHTML transitional doctype then will it show (in my portfolio) like I'm not a professio...

If there a valid way to change text styles within a hyperlink?...

How to fix w3.org validation error: There is no attribute "sid" or, Element "iframe&q...

Semantic HTML markup for complex tables...

Microdata itemprop causes W3C validator error...

XHTML Strict Table with Varying Column Width...

Can I add Microdata from HTML5 to a XHTML Strict site and still be compliant?...

Invalid code snippets in XHTML1.0...

!DOCTYPE html destroyed page...

Valid xhtml 1.0 strict JS toggle without speculative parsing error...

HTML5 vs XHTML Strict 1.0 (Metatags)...

XHTML won't validate && and < in a JavaScript function...

Attribute value is making xhtml page to give error...

XHTML strict span inside label is semantic...