0731fdc.com W3C HTML Markup Validation
HTML markup errors and warnings
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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”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “topform”.
No space between attributes.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “target”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Attribute “target” not allowed on element “div” at this point.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
“'” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Stray start tag “script”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “topform” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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