Evo.co.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:og” not allowed here.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “//” for attribute “href” on element “link”: Invalid host: empty host.
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “rel” not allowed on element “div” at this point.
Attribute “entityid” not allowed on element “input” at this point.
Duplicate attribute “class”.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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