Urantiabook.org 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”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Attribute “quote” not allowed on element “span” at this point.
Attribute “vertical” not allowed on element “span” at this point.
Element “table” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “myMenu1”.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “myMenu1” was here.
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