Dockone.io W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
This document appears to be written in Simplified Chinese. Consider adding “lang="zh-hans"” (or variant) to the “html” start tag.
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”.
Attribute “unselectable” not allowed on element “noscript” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Start tag “body” seen but an element of the same type was already open.
Bad character “ ” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
Stray end tag “img”.
Attribute “name” not allowed on element “em” at this point.
Element “h2” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
China CN