Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
Duplicate ID “menu-header”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “span”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Stray end tag “a”.
No space between attributes.
Bad value “” for attribute “poster” on element “video”: Must be non-empty.
Attribute “alt” not allowed on element “input” at this point.
Stray end tag “input”.
Element “d<div” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Unclosed element “d<div”.
Start tag “a” seen but an element of the same type was already open.
End tag “a” violates nesting rules.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “menu-header” was here.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Element name “d<div” cannot be represented as XML 1.0.
The “contentinfo” role is unnecessary for element “footer”.
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