Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:fb” not allowed here.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Bad value “text/html/css; charset=utf-8” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
End tag “br”.
Attribute “name” not allowed on element “span” at this point.
Attribute “unselectable” not allowed on element “span” at this point.
Attribute “unselectable” not allowed on element “i” at this point.
Attribute “minify” not allowed on element “script” at this point.
Duplicate ID “mainSearchCheckboxes”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Bad value “//swakacje.pl/wakacje/images/boksy/tematyczne_Sylwek_cieply_box_ 2.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “//swakacje.pl/wakacje/images/boksy/22.10.2018_Wyspy Kanaryjskie.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Duplicate ID “”.
Bad value “true” for attribute “async” on element “script”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “aria-owns” attribute must point to an element in the same document.
Warnings:
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The “charset” attribute on the “script” element is obsolete.
The “type” attribute for the “style” element is not needed and should be omitted.
The first occurrence of ID “mainSearchCheckboxes” was here.
The first occurrence of ID “” was here.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Poland PL