Cdstm.cn W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Attribute “href” not allowed on element “li” at this point.
Element “span” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “ul” seen, but there were open elements.
Unclosed element “span”.
Element “dl” is missing a required child element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “dl” is missing a required instance of child element “dd”.
Bad value “” for attribute “name” on element “input”: Must not be empty.
Attribute “alt” not allowed on element “a” at this point.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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