Errors:
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.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “second-menu”.
Duplicate ID “Layer_2”.
Duplicate ID “Layer_1-2”.
Duplicate ID “second-menu-modals”.
Duplicate ID “tab-0”.
Duplicate ID “tab-1”.
Duplicate ID “tab-2”.
Duplicate ID “tab-3”.
Duplicate ID “tab-4”.
Duplicate ID “tab-5”.
Duplicate ID “flags-menu”.
No “p” element in scope but a “p” end tag seen.
Duplicate attribute “aria-hidden”.
The element “footer” must not appear as a descendant of the “footer” element.
Bad value “https://www.wavin.com/en-en/Knowledge-Center?applications=Airport and Railway” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “https://www.wavin.com/en-en/Knowledge-Center?applications=House and Apartment” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “https://www.wavin.com/en-en/Knowledge-Center?applications=Sports facility” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “second-menu” was here.
The first occurrence of ID “Layer_2” was here.
The first occurrence of ID “Layer_1-2” was here.
The first occurrence of ID “second-menu-modals” was here.
The first occurrence of ID “tab-0” was here.
The first occurrence of ID “tab-1” was here.
The first occurrence of ID “tab-2” was here.
The first occurrence of ID “tab-3” was here.
The first occurrence of ID “tab-4” was here.
The first occurrence of ID “tab-5” was here.
The first occurrence of ID “flags-menu” was here.
Empty heading.
Poland PL