Derooijfotografie.nl W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The first occurrence of ID “header_logo” was here.
The first occurrence of ID “header_mobile_logo” was here.
The first occurrence of ID “counter-responsv-wrap-1758” was here.
The first occurrence of ID “counter-responsv-wrap-3993” was here.
The first occurrence of ID “counter-responsv-wrap-9701” was here.
Errors:
Duplicate ID “header_logo”.
Duplicate attribute “alt”.
Duplicate ID “header_mobile_logo”.
Bad value “” for attribute “id” on element “form”: An ID must not be the empty string.
The element “button” must not appear as a descendant of the “a” element.
Duplicate ID “counter-responsv-wrap-1758”.
Duplicate ID “counter-responsv-wrap-3993”.
Duplicate ID “counter-responsv-wrap-9701”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
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