Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “archives” for attribute “rel” on element “link”: The string “archives” is not a registered keyword.
The “center” element is obsolete. Use CSS instead.
Attribute “value” not allowed on element “input” at this point.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<center” not allowed on element “div” at this point.
Stray end tag “center”.
Stray end tag “object”.
Stray end tag “a”.
No “p” element in scope but a “p” end tag seen.
Stray end tag “img”.
Bad value “120px” for attribute “width” on element “embed”: Expected a digit but saw “p” instead.
Bad value “120px” for attribute “height” on element “embed”: Expected a digit but saw “p” instead.
The element “embed” must not appear as a descendant of the “a” element.
End tag “div” seen, but there were open elements.
Unclosed element “form”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
No space between attributes.
The “scrolling” attribute on the “iframe” element is obsolete.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The “frameborder” attribute on the “iframe” element is obsolete.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The “allowtransparency” attribute on the “iframe” element is obsolete.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.
Saw a “form” start tag, but there was already an active “form” element. Nested forms are not allowed. Ignoring the tag.
Stray end tag “form”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Attribute “<center” is not serializable as XML 1.0.
Poland PL