Nodong.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bogus comment.
Duplicate ID “fb-root”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Row 1 of a row group established by a “tbody” element has no cells beginning on it.
Stray end tag “tr”.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
A slash was not immediately followed by “>”.
Stray end tag “div”.
Bad value “true” for attribute “required” on element “input”.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.
Empty heading.
The first occurrence of ID “fb-root” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
A table row was 1 columns wide and exceeded the column count established by the first row (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).
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