Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “type” attribute is unnecessary for JavaScript resources.
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute for the “style” element is not needed and should be omitted.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “button” role is unnecessary for element “button”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Errors:
Element “img” is missing required attribute “src”.
The element “button” must not appear as a descendant of the “a” element.
Attribute “tooltip” not allowed on element “li” at this point.
Bad value “/sprite.svg##icon-globe” for attribute “href” on element “use”.
Bad value “/sprite.svg##icon-aircraft” for attribute “href” on element “use”.
Bad value “nope” for attribute “autocomplete” on element “input”: The string “nope” is not a valid autofill field name.
Element “p” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Attribute “disabled” not allowed on element “label” at this point.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Attribute “index” not allowed on element “a” at this point.
Attribute “noredirect” not allowed on element “i” at this point.
Attribute “tooltip” not allowed on element “i” at this point.
Attribute “noredirect” not allowed on element “span” at this point.
Attribute “noredirect” not allowed on element “button” at this point.
Attribute “alt” not allowed on element “a” at this point.
Attribute “tooltip” not allowed on element “a” at this point.
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