Commun.it W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
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.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Start tag “body” seen but an element of the same type was already open.
Attribute “social-network” not allowed on element “a” at this point.
The element “button” must not appear as a descendant of the “a” element.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Stray end tag “span”.
Duplicate ID “fourth-twitter-login”.
Attribute “discount” not allowed on element “span” at this point.
Attribute “title-type” not allowed on element “li” at this point.
Duplicate ID “twitter-sign-in”.
Stray start tag “input”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The first occurrence of ID “fourth-twitter-login” was here.
The first occurrence of ID “twitter-sign-in” was here.
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