Gscn.com.cn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “a” at this point.
Element “object” is missing one or more of the following attributes: “data”, “type”.
The “classid” attribute on the “object” element is obsolete. Use the “data” and “type” attributes to invoke plugins. To set a parameter with the name “classid”, use the “param” element.
The element “a” must not appear as a descendant of the “a” element.
Element “p” not allowed as child of element “h3” in this context. (Suppressing further errors from this subtree.)
Element “img” is missing required attribute “src”.
Warnings:
Attribute “"” is not serializable as XML 1.0.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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