Ictrecht.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “maximum-scale” not allowed on element “meta” at this point.
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate ID “nav-top”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “use” at this point.
Text not allowed in element “iframe” in this context.
Warnings:
The first occurrence of ID “nav-top” was here.
Attribute “"” is not serializable as XML 1.0.
This document appears to be written in Dutch but the “html” start tag has “lang="en"”. Consider using “lang="nl"” (or variant) instead.
Netherlands NL
