Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “logo” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors:
Bad value “expires” for attribute “http-equiv” on element “meta”.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “logo”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “/projects/projects-6200/en/
?filter=work” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “/projects/projects-6200/en/
?filter=culture” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “/projects/projects-6200/en/
?filter=shop” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “/projects/projects-6200/en/
?filter=community” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “/projects/projects-6200/en/
?filter=contemplation” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “/projects/projects-6200/en/
?filter=living” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “/projects/projects-6200/en/
?filter=public” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “/projects/projects-6200/en/
?filter=hospitality” for attribute “href” on element “a”: Tab, new line or carriage return found.
The element “button” must not appear as a descendant of the “a” element.
Start tag “a” seen but an element of the same type was already open.
Stray end tag “a”.
Bad value “mailto:?subject=ERCO Home page&body=http://www.erco.com/homepage/home-page-6315/en/” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Italy IT