Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Bad value “text/css; charset=UTF-8” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
The only allowed value for the “charset” attribute for the “script” element is “utf-8”. (But the attribute is not needed and should be omitted altogether.)
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Attribute “tooltip” not allowed on element “a” at this point.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “role” on element “div”.
End tag “b” violates nesting rules.
The “center” element is obsolete. Use CSS instead.
Stray end tag “b”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “alt” not allowed on element “a” at this point.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “charset” attribute on the “script” element is obsolete.
Poland PL