Errors:
Legacy encoding “gbk” used. Documents must use UTF-8.
The only allowed value for the “charset” attribute for the “meta” element is “utf-8”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Bad value “mobile-agent” for attribute “http-equiv” on element “meta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Bad value “2019/2/23” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018/1/31” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
End tag “div” seen, but there were open elements.
Unclosed element “section”.
Bad value “2018/2/2” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2019/2/22” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018/2/1” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018/2/2 7:08:37” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Stray end tag “section”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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