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”.
Duplicate ID “custom”.
Bad value “screen, projection” for attribute “media” on element “link”: Deprecated media type “projection”. For guidance, see the Media Types section in the current Media Queries specification.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “languages”.
Duplicate ID “location”.
Attribute “href” not allowed on element “button” at this point.
No “p” element in scope but a “p” end tag seen.
Start tag “a” seen but an element of the same type was already open.
End tag “div” seen, but there were open elements.
Unclosed element “section”.
Duplicate ID “phone”.
Duplicate ID “mail”.
Stray end tag “section”.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Stray end tag “div”.
Warnings:
The first occurrence of ID “custom” was here.
The first occurrence of ID “languages” was here.
The first occurrence of ID “location” was here.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “phone” was here.
The first occurrence of ID “mail” was here.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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