Admin10000.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Attribute “border” 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The “frameborder” attribute on the “iframe” element is obsolete.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The “allowtransparency” attribute on the “iframe” element is obsolete.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The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “abc")编译报错解决办法"” not allowed on element “a” at this point.
Attribute “taget” not allowed on element “a” at this point.
Warnings:
Attribute “abc")编译报错解决办法"” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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