Leeschools.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Stray end tag “a”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
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.)
Attribute “addthis:url” not allowed on element “a” at this point.
Attribute “addthis:title” not allowed on element “a” at this point.
Attribute “addthis:ui_click” not allowed on element “a” at this point.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Attribute “addthis:url” is not serializable as XML 1.0.
Attribute “addthis:title” is not serializable as XML 1.0.
Attribute “addthis:ui_click” is not serializable as XML 1.0.
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