Turtlewax.com W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The “contentinfo” role is unnecessary for element “footer”.
The “main” role is unnecessary for element “main”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Errors:
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Attribute “type” not allowed on element “video” at this point.
Bad value “https://tracker.marinsm.com/tp?act=2&cid=3944zug37315&trans=UTM:I||wheretobuy||||” 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.
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