Autorevue.at W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “charset” attribute on the “script” element is obsolete.
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 “ar_sub_nav_menu_title” was here.
The “button” role is unnecessary for element “button”.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “grid-ad-hide” was here.
The first occurrence of ID “fishtank” was here.
The first occurrence of ID “Fishtank” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Errors:
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “ar_sub_nav_menu_title”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “grid-ad-hide”.
Duplicate ID “fishtank”.
Duplicate ID “Fishtank”.
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