Rotate4all.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” 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The “frameborder” attribute on the “iframe” element is obsolete.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The “scrolling” attribute on the “iframe” element is obsolete.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.
Warnings:
Potentially bad value “allow-same-origin allow-scripts allow-forms allow-popups” for attribute “sandbox” on element “iframe”: Setting both “allow-scripts” and “allow-same-origin” is not recommended, because it effectively enables an embedded page to break out of all sandboxing.
Guyana GY