Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Stray end tag “img”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The element “header” must not appear as a descendant of the “header” element.
Duplicate ID “box-lang”.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Attribute “rel” not allowed on element “div” at this point.
Bad value “https://www.serial-kombi.com/Content/Shared/Bloc 1 2 3/GOODIES-Mars2018-001.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.serial-kombi.com/Content/Shared/Bloc 1 2 3/IMG1_homepage_09_2017.gif” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.serial-kombi.com/Content/Shared/Bloc 1 2 3/Bloc-AlaUNE_Presse2.gif” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.serial-kombi.com/Content/Shared/Bloc 1 2 3/SK101649_2018.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
No space between attributes.
Bad value “https://www.serial-kombi.com/Content/Shared/Contenu Site/SERIAL-Kombi_ogone-ingenico_560.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Attribute “color” not allowed on element “span” at this point.
Bad value “https://www.serial-kombi.com/Content/Shared/Contenu Site/SERIAL-Kombi_Transporteurs_560.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Duplicate ID “menu-wrapper”.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Bad value “true” for attribute “async” on element “script”.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “navigation” role is unnecessary for element “nav”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “box-lang” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “menu-wrapper” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
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