Errors:
Legacy encoding “windows-1251” used. Documents must use UTF-8.
Attribute “xmlns:fb” not allowed here.
Bad value “text/html; charset=windows-1251” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
Stray end tag “a”.
Duplicate ID “nav”.
Duplicate ID “loginmenu”.
Duplicate ID “autocomplete”.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Bad element name “fb:like-box”: Code point “U+003A” is not allowed
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS 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The “frameborder” attribute on the “iframe” element is obsolete.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The “scrolling” attribute on the “iframe” element is obsolete.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.
Element “div” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
The only allowed value for the “accept-charset” attribute for the “form” element is “utf-8”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Consider avoiding viewport values that prevent users from resizing documents.
The “type” attribute is unnecessary for JavaScript resources.
The first occurrence of ID “nav” was here.
The first occurrence of ID “loginmenu” was here.
The first occurrence of ID “autocomplete” was here.
Element name “fb:like-box” cannot be represented as XML 1.0.
The “type” attribute for the “style” element is not needed and should be omitted.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Poland PL