Errors:
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
The element “header” must not appear as a descendant of the “header” element.
Duplicate ID “logo”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “banner”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “aside” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “e2”, “80”.
The “clear” attribute on the “br” element is obsolete. Use CSS instead.
Malformed byte sequence: “80”.
Malformed byte sequence: “99”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The first occurrence of ID “logo” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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 “banner” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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