Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “navigation” role is unnecessary for element “nav”.
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “block-ccsso-ui-search” was here.
The first occurrence of ID “search-block-form” was here.
The first occurrence of ID “edit-keys” was here.
The first occurrence of ID “edit-actions” was here.
The first occurrence of ID “edit-submit” was here.
The first occurrence of ID “block-utilitymenu” was here.
The first occurrence of ID “block-utilitymenu-menu” was here.
The first occurrence of ID “block-ccsso-ui-main-menu” was here.
The first occurrence of ID “block-ccsso-ui-main-menu-menu” was here.
The “article” role is unnecessary for element “article”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Attribute “"” is not serializable as XML 1.0.
The “main” role is unnecessary for element “main”.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Duplicate ID “block-ccsso-ui-search”.
Duplicate ID “search-block-form”.
Duplicate ID “edit-keys”.
Duplicate ID “edit-actions”.
Duplicate ID “edit-submit”.
Duplicate ID “block-utilitymenu”.
Duplicate ID “block-utilitymenu-menu”.
Duplicate ID “block-ccsso-ui-main-menu”.
Duplicate ID “block-ccsso-ui-main-menu-menu”.
Attribute “about” not allowed on element “article” at this point.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “div” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “header”.
Stray end tag “header”.
Attribute “content” not allowed on element “span” at this point.
Element “div” not allowed as child of element “h4” 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 “img” is missing required attribute “src”.
Stray end tag “div”.
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