Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Attribute “xmlns:og” not allowed here.
Attribute “xmlns:fb” not allowed here.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “main-mobile”.
Duplicate ID “main”.
Duplicate ID “uitgelicht”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “h1” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “post-139210”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “post-139167”.
Duplicate ID “post-139207”.
Duplicate ID “post-139101”.
Duplicate ID “post-139017”.
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
Duplicate ID “s”.
Duplicate ID “searchsubmit”.
Warnings:
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The first occurrence of ID “main-mobile” was here.
The first occurrence of ID “main” was here.
The first occurrence of ID “uitgelicht” was here.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “post-139210” was here.
The first occurrence of ID “post-139167” was here.
The first occurrence of ID “post-139207” was here.
The first occurrence of ID “post-139101” was here.
The value of attribute “src” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The value of attribute “srcset” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The first occurrence of ID “post-139017” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The first occurrence of ID “s” was here.
The first occurrence of ID “searchsubmit” was here.
Netherlands NL