Personalmba.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Element “row” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “align” attribute on the “img” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “row”.
Duplicate ID “section”.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “book-detail-link”.
Duplicate ID “book-image”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “section” was here.
The first occurrence of ID “book-detail-link” was here.
The first occurrence of ID “book-image” was here.
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