Manablog.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “value” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray start tag “noscript”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “complementary” role is unnecessary for element “aside”.
The “contentinfo” role is unnecessary for element “footer”.
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