Errors:
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
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.
Stray end tag “meta”.
CSS: Parse Error.
Saw “=” when expecting an attribute name. Probable cause: Attribute name missing.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “=""” not allowed on element “span” at this point.
Attribute “href” not allowed on element “span” at this point.
The “center” element is obsolete. Use CSS instead.
Duplicate ID “left_post”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “g:plus” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
The “border” attribute on the “table” element is obsolete. Use CSS instead.
CSS: “text”: Parse Error.
CSS: “font-family”: Missing a semicolon before the property name “margin-left”.
CSS: “margin-left”: “sans-serif” is not a “margin-left” value.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Element “table” not allowed as child of element “font” in this context. (Suppressing further errors from this subtree.)
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Stray end tag “td”.
Bad value “dofollow” for attribute “rel” on element “a”: The string “dofollow” is not a registered keyword.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
Attribute “=""” is not serializable as XML 1.0.
The “navigation” role is unnecessary for element “nav”.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The first occurrence of ID “left_post” was here.
Element name “g:plus” cannot be represented as XML 1.0.
This document appears to be written in Turkish but the “html” start tag has “lang="id"”. Consider using “lang="tr"” (or variant) instead.
Turkey TR