Qconcursos.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
The “navigation” role is unnecessary for element “nav”.
Text run is not in Unicode Normalization Form C.
Empty heading.
The first occurrence of ID “js-ok-btn” was here.
The “charset” attribute on the “script” element is obsolete.
The “type” attribute is unnecessary for JavaScript resources.
Errors:
CSS: “size”: Property “size” doesn't exist.
CSS: “print-color-adjust”: Property “print-color-adjust” doesn't exist.
CSS: “padding-left”: “auto” is not a “padding-left” value.
CSS: “font”: “400” is not a “font” value.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “js-ok-btn”.
Attribute “href” not allowed on element “button” at this point.
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