Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate attribute “alt”.
Bad value “” for attribute “id” on element “ul”: An ID must not be the empty string.
Attribute “name” not allowed on element “div” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Duplicate ID “cellblocks”.
Table column 2 established by element “td” has no cells beginning in it.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Stray start tag “script”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “cellblocks” was here.
United States US