Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.
End tag “div” seen, but there were open elements.
Unclosed element “main”.
Unclosed element “section”.
Stray end tag “div”.
Stray end tag “section”.
Stray end tag “main”.
Attribute “pattern” not allowed on element “input” at this point.
Attribute “placeholder” not allowed on element “input” at this point.
Attribute “size” not allowed on element “input” at this point.
Attribute “maxlength” not allowed on element “input” at this point.
Attribute “pattern” is only allowed when the input type is “email”, “password”, “search”, “tel”, “text”, or “url”.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
Attribute “maxlength” is only allowed when the input type is “email”, “password”, “search”, “tel”, “text”, or “url”.
Element “bold” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “href” not allowed on element “li” at this point.
Attribute “href” not allowed on element “span” at this point.
Bad value “” for attribute “id” on element “a”: An ID must not be the empty string.
Duplicate ID “i5”.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Duplicate ID “”.
Element “h4” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “nav-calendar-carousel” for attribute “rel” on element “a”: The string “nav-calendar-carousel” is not a registered keyword.
Bad value “nav-populair” for attribute “rel” on element “a”: The string “nav-populair” is not a registered keyword.
Bad value “true” for attribute “async” on element “script”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The first occurrence of ID “i5” was here.
The first occurrence of ID “” was here.
Netherlands NL