Mbike.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “nowrap” attribute on the “th” element is obsolete. Use CSS instead.
The “valign” attribute on the “th” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The element “h3” must not appear as a descendant of the “th” element.
Table column 2 established by element “th” has no cells beginning in it.
Bad value for attribute “src” on element “img”: Illegal character in query: “{” is not allowed.
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