Errors:
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “type” not allowed on element “div” at this point.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “name” not allowed on element “div” at this point.
Bad value “event-logo” for attribute “type” on element “a”: Subtype missing.
Bad value “event-portrait” for attribute “type” on element “a”: Subtype missing.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Attribute “inkscape:version” not allowed on element “svg” at this point.
Attribute “sodipodi:docname” not allowed on element “svg” at this point.
Attribute “inkscape:export-xdpi” not allowed on element “svg” at this point.
Attribute “inkscape:export-ydpi” not allowed on element “svg” at this point.
Attribute “inkscape:export-filename” not allowed on element “svg” at this point.
Attribute “inkscape:connector-curvature” not allowed on element “path” at this point.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “svg3003”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Duplicate ID “Layer_1”.
Attribute “sketch:type” not allowed on element “g” at this point.
Element “style” not allowed as child of element “footer” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “Blue_1_”.
Duplicate ID “rect3687”.
Warnings:
The “document” role is unnecessary for element “body”.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “link” role is unnecessary for element “a”.
The “main” role is unnecessary for element “main”.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Attribute “inkscape:version” is not serializable as XML 1.0.
Attribute “sodipodi:docname” is not serializable as XML 1.0.
Attribute “inkscape:export-xdpi” is not serializable as XML 1.0.
Attribute “inkscape:export-ydpi” is not serializable as XML 1.0.
Attribute “inkscape:export-filename” is not serializable as XML 1.0.
Attribute “inkscape:connector-curvature” is not serializable as XML 1.0.
The first occurrence of ID “svg3003” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “Layer_1” was here.
Attribute “sketch:type” is not serializable as XML 1.0.
The first occurrence of ID “Blue_1_” was here.
The first occurrence of ID “rect3687” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).