Squeaker.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “shortcut” for attribute “rel” on element “link”: If the “shortcut” keyword is present, the “rel” attribute's entire value must be “shortcut icon”.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Duplicate ID “sticky-facebook”.
Duplicate ID “sticky-linkedin”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “a”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “sticky-facebook” was here.
The first occurrence of ID “sticky-linkedin” was here.
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