Apiblueprint.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “105px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.
Bad value “20px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Stray doctype.
Stray start tag “html”.
Start tag “body” seen but an element of the same type was already open.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Stray end tag “div”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “ul”.
Warnings:
The “navigation” role is unnecessary for element “nav”.
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