HTML Validation

The Markup Validation Service by W3C checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.

Below a list of valid types against my site:

Valid XHTML 1.0 Transitional & Strict XHTML 1.0 Traditioneel & Strict
Valid XHTML 1.1 XHTML 1.1
Valid XHTML + RDFa XHTML + RDFa
W3C XHTML
Basic 1.1
XHTML Basic 1.1
W3C XHTML
Mobile
Profile 1.2
XHTML Mobile Profile 1.2
Valid XHTML-Print 1.0 XHTML-Print 1.0
Valid XHTML 1.1 plus MathML 2.0 & XHTML 1.1 plus MathML 2.0 plus SVG 1.1 XHTML 1.1 plus MathML 2.0 &
XHTML 1.1 plus MathML 2.0 plus SVG 1.1
W3C HTML5
(exp)
HTML 5 (experimental)

CSS Validation

The CSS Validation Service by W3C checks Cascading Style Sheets (CSS) and (X)HTML documents with style sheets.

Below a list of valid types against my site:

Hot Coals

Valide CSS 2.1 & 3 CSS 2.1 & 3

Blue Bay

Valide CSS 2.1 & 3 CSS 2.1 & 3

Remaining

Valide CSS 2.1 & 3 CSS 2.1 & 3

Link Checker

The Link Checker from W3C looks for issues in links, anchors and referenced objects in a Web page, or recursively on a whole Web site.

Below a list of valid types against my site:

  • Links: Valid links!
  • Anchors: Valid anchors!
Please note that there's a small bug in the link checker for URI fragments that point to the same page.

Mobile Checker

The MobileOK Checker from W3C performs various tests on a Web Page to determine its level of mobile-friendliness. The tests are defined in the mobileOK Basic Tests 1.0 specification. A Web Page is mobileOK when it passes all the tests.

  • Result: 97/100
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