Thea.cn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Element “h4” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “330px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “180px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
The only allowed value for the “charset” attribute for the “script” element is “utf-8”. (But the attribute is not needed and should be omitted altogether.)
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Empty heading.
The “charset” attribute on the “script” element is obsolete.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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