Theoceancleanup.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
When the “srcset” attribute has any image candidate string with a width descriptor, the “sizes” attribute must also be present.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)
Attribute “title” not allowed on element “svg” at this point.
Attribute “validate” not allowed on element “form” at this point.
Warnings:
The “navigation” role is unnecessary for element “nav”.
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).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
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