51vv.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “xmlns:wb” not allowed here.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “a” at this point.
Attribute “_ulclass” not allowed on element “div” at this point.
Bad element name “wb:follow-button”: Code point “U+003A” is not allowed
Warnings:
Attribute with the local name “xmlns:wb” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
Attribute “"” is not serializable as XML 1.0.
Element name “wb:follow-button” cannot be represented as XML 1.0.
The “charset” attribute on the “script” element is obsolete.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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