Fussball-wm.pro W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Duplicate ID “fb-root”.
Bad value “https://ad1.adfarm1.adition.com/click?sid=3510504&ts=[timestamp]” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.
Bad value “https://ad1.adfarm1.adition.com/banner?sid=3510504&ts=[timestamp]” for attribute “src” on element “img”: Illegal character in query: “[” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “main” role is unnecessary for element “main”.
The “complementary” role is unnecessary for element “aside”.
The first occurrence of ID “fb-root” was here.
The “contentinfo” role is unnecessary for element “footer”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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