Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “pragma” for attribute “http-equiv” on element “meta”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Bad value “expires” for attribute “http-equiv” on element “meta”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “action” on element “form”: Must be non-empty.
No space between attributes.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Duplicate ID “right_img_js”.
Duplicate ID “example”.
Bad value “_black” for attribute “target” on element “a”: Reserved keyword “black” used.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Stray end tag “div”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “right_img_js” was here.
The first occurrence of ID “example” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in Simplified Chinese. Consider adding “lang="zh-hans"” (or variant) to the “html” start tag.
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