Gesundheitsfrage.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “gutefrage-logo”.
Duplicate ID “visual-mark”.
Duplicate ID “Final_Shape”.
Duplicate ID “gesf”.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
The “contentinfo” role is unnecessary for element “footer”.
The first occurrence of ID “gutefrage-logo” was here.
The first occurrence of ID “visual-mark” was here.
The first occurrence of ID “Final_Shape” was here.
The first occurrence of ID “gesf” was here.
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