Consultancy.uk W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:fb” not allowed here.
Attribute “xmlns:og” not allowed here.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “Cache-control” for attribute “http-equiv” on element “meta”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “style” not allowed as child of element “noscript” 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.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Duplicate ID “grid-news”.
Element “img” is missing required attribute “src”.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The first occurrence of ID “grid-news” was here.
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