Uuabookstore.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
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 “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “type” not allowed on element “div” at this point.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “target” not allowed on element “img” at this point.
Warnings:
The “navigation” role is unnecessary for element “nav”.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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