Errors:
Bad start tag in “img” in “head”.
Stray end tag “noscript”.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Element “style” not allowed as child of element “form” in this context. (Suppressing further errors from this subtree.)
Bad value “/Nguon-mot-chieu-dieu-chinh-DC->1kV-1065p.html” for attribute “href” on element “a”: Illegal character in path segment: “>” is not allowed.
Bad value “/Nguon-mot-chieu-dieu-chinh-DC->1kV-2-1066p.html” for attribute “href” on element “a”: Illegal character in path segment: “>” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
Text run is not in Unicode Normalization Form C.
The value of attribute “href” on element “a” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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