13wham.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “text/html” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “input” is missing required attribute “alt”.
Attribute “alt” not allowed on element “a” at this point.
Bad value “Teaser-List/1200/Section-Teaser” for attribute “id” on element “g”: Not a valid XML 1.0 name.
Duplicate ID “Teaser-List/1200/Section-Teaser”.
Duplicate ID “Group-10”.
Duplicate ID “Group-4”.
Duplicate ID “chevron-right”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The first occurrence of ID “Teaser-List/1200/Section-Teaser” was here.
The first occurrence of ID “Group-10” was here.
The first occurrence of ID “Group-4” was here.
The first occurrence of ID “chevron-right” was here.
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