Mindzone.info W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” 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.
Duplicate ID “column-394ae63fd41af80db78be5b6cb2b24c5”.
End tag “br”.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
The “acronym” element is obsolete. Use the “abbr” element instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Attribute “alt” not allowed on element “a” at this point.
Warnings:
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “column-394ae63fd41af80db78be5b6cb2b24c5” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
The “contentinfo” role is unnecessary for element “footer”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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