Ospu.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “old-class” not allowed on element “div” at this point.
Bad value “” for attribute “aria-expanded” on element “a”.
Duplicate ID “w2”.
Duplicate attribute “data-link”.
Attribute “alt” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “769a86ff-36de-4c5b-a225-6d3f91d26ce2” for attribute “id” on element “g”: Not a valid XML 1.0 name.
Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h4” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Attribute “input-id” not allowed on element “div” at this point.
Attribute “text” not allowed on element “script” at this point.
Warnings:
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “w2” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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