Flickr.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:cc” not allowed here.
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
Attribute “value” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “heading” for attribute “role” on element “a”.
Element “div” 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.
Warnings:
Attribute with the local name “xmlns:cc” is not serializable as XML 1.0.
The “button” role is unnecessary for element “input” whose type is “submit”.
The “textbox” role is unnecessary for an “input” element that has no “list” attribute and whose type is “text”.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
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