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 “tel: 0800 848 8608” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
The element “button” must not appear as a descendant of the “a” element.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “herf” not allowed on element “a” at this point.
End tag “h2” seen, but there were open elements.
Unclosed element “span”.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “main” not allowed on element “div” at this point.
Attribute “banner” not allowed on element “div” at this point.
Attribute “-” not allowed on element “div” at this point.
Attribute “quote” not allowed on element “div” at this point.
Attribute “now"” not allowed on element “div” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate attribute “data-scroll”.
Duplicate ID “footer2”.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Stray end tag “div”.
Warnings:
Attribute “-” is not serializable as XML 1.0.
Attribute “now"” is not serializable as XML 1.0.
The first occurrence of ID “footer2” was here.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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