Mg21.com 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 “main” role is unnecessary for element “main”.
The first occurrence of ID “searchform” was here.
The first occurrence of ID “s” was here.
The first occurrence of ID “searchsubmit” was here.
The first occurrence of ID “cat” was here.
The “contentinfo” role is unnecessary for element “footer”.
Empty heading.
This document appears to be written in English but the “html” start tag has “lang="zh-CN"”. Consider using “lang="en"” (or variant) instead.
Errors:
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Attribute “rel” not allowed on element “img” at this point.
Stray end tag “a”.
Attribute “name” not allowed on element “div” at this point.
Bad value “https://affiliate.firstrade.com/affiliate/media/banners/295 tw w.gif” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Element “h4” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “searchform”.
Duplicate ID “s”.
Duplicate ID “searchsubmit”.
Duplicate ID “cat”.
Duplicate attribute “rel”.
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