Educationalproducts.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “h5” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
An element with “role=menuitem” must be contained in, or owned by, an element with “role=menubar” or “role=menu”.
The “center” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “center” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “charset” attribute on the “script” element is obsolete.
The “type” attribute is unnecessary for JavaScript resources.
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