Precisionvaccinations.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
Attribute “about” not allowed on element “meta” at this point.
Attribute “rel” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “name”, “property”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Attribute “about” not allowed on element “div” at this point.
Bad value “409.5” for attribute “height” on element “img”: Expected a digit but saw “.” instead.
Attribute “datatype” not allowed on element “a” at this point.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
The “complementary” role is unnecessary for element “aside”.
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