Dews365.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “http://?ver=3.1.5.2” for attribute “href” on element “link”: Invalid host: empty host.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “logo”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Text not allowed in element “ul” in this context.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “document” role is unnecessary for element “body”.
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “logo” was here.
The “navigation” role is unnecessary for element “nav”.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “main” role is unnecessary for element “main”.
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