Errors:
Almost standards mode 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Using the “meta” element to specify the document-wide default language is obsolete.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.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Attribute “x-webkit-speech” not allowed on element “input” at this point.
Attribute “alt” not allowed on element “input” at this point.
Element “input” with attribute “type” whose value is “button” must have non-empty attribute “value”.
Attribute “alt” not allowed on element “a” at this point.
End tag “a” violates nesting rules.
Stray end tag “span”.
Stray end tag “a”.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn25104.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn25104.jpg” is not a registered keyword.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn25065.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn25065.jpg” is not a registered keyword.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn25051.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn25051.jpg” is not a registered keyword.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn24851.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn24851.jpg” is not a registered keyword.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn24786.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn24786.jpg” is not a registered keyword.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn24739.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn24739.jpg” is not a registered keyword.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn24737.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn24737.jpg” is not a registered keyword.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn24650.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn24650.jpg” is not a registered keyword.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn24636.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn24636.jpg” is not a registered keyword.
Bad value “http://www.spelle.nl/Images/voorbeeld/tn21534.jpg” for attribute “rel” on element “a”: The string “http://www.spelle.nl/Images/voorbeeld/tn21534.jpg” is not a registered keyword.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Quote “'” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Duplicate attribute “s”.
Duplicate attribute “mood”.
Duplicate attribute “swing'”.
Attribute “s” not allowed on element “img” at this point.
Attribute “mood” not allowed on element “img” at this point.
Attribute “swing'” not allowed on element “img” at this point.
Duplicate attribute “nieuwe”.
Duplicate attribute “kleedkamer'”.
Attribute “nieuwe” not allowed on element “img” at this point.
Attribute “kleedkamer'” not allowed on element “img” at this point.
The “center” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “swing'” is not serializable as XML 1.0.
Attribute “kleedkamer'” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Dutch. Consider adding “lang="nl"” (or variant) to the “html” start tag.