Warnings:
The “navigation” role is unnecessary for element “nav”.
A table row was 2 columns wide, which is less than the column count established by the first row (3).
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “gc-number-1” was here.
The first occurrence of ID “gc-number-0” was here.
Empty heading.
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).
Errors:
A “link” element must not appear as a descendant of a “body” element unless the “link” element has an “itemprop” attribute or has a “rel” attribute whose value contains “dns-prefetch”, “pingback”, “preconnect”, “prefetch”, “preload”, “prerender”, or “stylesheet”.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
The “center” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
“td” start tag in table body.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Duplicate ID “gc-number-1”.
Duplicate ID “gc-number-0”.
Duplicate attribute “title”.
Attribute “alt” not allowed on element “a” at this point.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Character reference was not terminated by a semicolon.
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