Idemama.com 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 “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Duplicate ID “account-menu”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h4” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “a” instead.
Bad value “true” for attribute “async” on element “script”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “account-menu” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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