Errors:
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “div” at this point.
Attribute “xmlns:v” not allowed here.
Bad value “v:url” for attribute “rel” on element “a”: The string “v:url” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
No “p” element in scope but a “p” end tag seen.
The “center” element is obsolete. Use CSS instead.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “align” attribute on the “h1” element is obsolete. Use CSS instead.
The “align” attribute on the “h3” element is obsolete. Use CSS instead.
Bad value “34.5” for attribute “height” on element “img”: Expected a digit but saw “.” instead.
A slash was not immediately followed by “>”.
“"” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Duplicate attribute “0""”.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
Attribute “https:” not allowed on element “iframe” at this point.
Attribute “www.googletagmanager.com” not allowed on element “iframe” at this point.
Attribute “ns.html?id” not allowed on element “iframe” at this point.
Bad value “” for attribute “height” on element “iframe”: The empty string is not a valid non-negative integer.
Attribute “0""” not allowed on element “iframe” at this point.
Bad value “” for attribute “width” on element “iframe”: The empty string is not a valid non-negative integer.
Attribute “display:none;visibility:hidden""” not allowed on element “iframe” at this point.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Attribute “"” is not serializable as XML 1.0.
Attribute with the local name “xmlns:v” is not serializable as XML 1.0.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Attribute “https:” is not serializable as XML 1.0.
Attribute “ns.html?id” is not serializable as XML 1.0.
Attribute “0""” is not serializable as XML 1.0.
Attribute “display:none;visibility:hidden""” is not serializable as XML 1.0.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
United States US
