Tana.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “meta” is missing one or more of the following attributes: “content”, “property”.
Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Stray end tag “meta”.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Attribute “displaymode” not allowed on element “img” at this point.
Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.
Element “li” not allowed as child of element “div” 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.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
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