Operasofia.bg W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Text not allowed in element “select” in this context.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “article” for attribute “role” on element “section”.
Bad value “100%” for attribute “width” on element “object”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “object”: Expected a digit but saw “%” instead.
Attribute “bgcolor” not allowed on element “object” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “complementary” role is unnecessary for element “aside”.
Text run is not in Unicode Normalization Form C.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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