Groen7.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
X-UA-Compatible HTTP header must have the value “IE=edge”, was “IE=Edge, chrome=1”.
Obsolete doctype. Expected “<!DOCTYPE html>”.
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “text/html; charset=ISO-8859-1” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
Duplicate ID “main-css-css”.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
A “script” element with the “language="JavaScript"” attribute set must not have a “type” attribute whose value is not “text/javascript”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Attribute “width” not allowed on element “div” at this point.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
The first occurrence of ID “main-css-css” was here.
The “type” attribute for the “style” element is not needed and should be omitted.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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