Climateride.org W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Duplicate attribute “target”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Text not allowed in element “iframe” in this context.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “file” for attribute “rel” on element “a”: The string “file” is not a registered keyword.
Warnings:
Attribute “aria-hidden” is unnecessary for elements that have attribute “hidden”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “main” role is unnecessary for element “main”.
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