Errors:
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 “zz” for attribute “hreflang” on element “link”: The language subtag “zz” is not a valid ISO language part of a language tag.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Attribute “heigth” not allowed on element “img” at this point.
No space between attributes.
A slash was not immediately followed by “>”.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “http:” not allowed on element “form” at this point.
Attribute “www.ibaraki-airport.net” not allowed on element “form” at this point.
Attribute “"” not allowed on element “form” at this point.
Element “dl” is missing a required child element.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
Attribute “scale” not allowed on element “img” at this point.
End tag “div” seen, but there were open elements.
Unclosed element “dl”.
Stray start tag “p”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Attribute “http:” is not serializable as XML 1.0.
Attribute “"” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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