Copyfx.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Element “source” not allowed as child of element “video” in this context. (Suppressing further errors from this subtree.)
Bad value “100%” for attribute “width” on element “object”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “object”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Warnings:
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
This document appears to be written in English but the “html” start tag has “lang="ru"”. Consider using “lang="en"” (or variant) instead.
Russian Federation RU