Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “primary-menu” was here.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “canvas” not allowed on element “header” at this point.
Attribute “canvas” not allowed on element “div” at this point.
Attribute “value” not allowed on element “select” at this point.
Bad value “1” for attribute “selected” on element “option”.
No “p” element in scope but a “p” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Attribute “off-canvas” not allowed on element “div” at this point.
Duplicate ID “primary-menu”.
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