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 “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “"selected” not allowed on element “option” at this point.
Attribute “disabled"” not allowed on element “option” at this point.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
“=” at the start of an unquoted attribute value. Probable cause: Stray duplicate equals sign.
Attribute “<?php” not allowed on element “option” at this point.
Attribute “if($lang” not allowed on element “option” at this point.
Attribute “"zh-hans")” not allowed on element “option” at this point.
Attribute “echo” not allowed on element “option” at this point.
Attribute “disabled";?” not allowed on element “option” at this point.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “l” instead.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Attribute “type” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Text not allowed in element “iframe” in this context.
Attribute “border” not allowed on element “div” at this point.
Attribute “cellpadding” not allowed on element “div” at this point.
Attribute “cellspacing” not allowed on element “div” at this point.
Attribute “base_target” not allowed on element “form” at this point.
End tag “a” violates nesting rules.
Attribute “href” not allowed on element “div” at this point.
No space between attributes.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Attribute “"selected” is not serializable as XML 1.0.
Attribute “disabled"” is not serializable as XML 1.0.
Attribute “<?php” is not serializable as XML 1.0.
Attribute “if($lang” is not serializable as XML 1.0.
Attribute “"zh-hans")” is not serializable as XML 1.0.
Attribute “disabled";?” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
Empty heading.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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