Topos.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:og” not allowed here.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Attribute “border” not allowed on element “input” at this point.
The “align” attribute on the “input” element is obsolete. Use CSS instead.
Bad value “valeria@topos.ru” for attribute “rel” on element “a”: The string “valeria@topos.ru” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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