Racedeck.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Attribute “html” not allowed on element “html” at this point.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “href” not allowed on element “div” at this point.
Bad value “(max-width: 767px) 767w,
1600w” for attribute “sizes” on element “img”: Expected units (one of “em”, “ex”, “ch”, “rem”, “vw”, “vh”, “vmin”, “vmax”, “cm”, “mm”, “q”, “in”, “pc”, “pt”, “px”) but found “w” at “(max-width: 767px) 767w,”.
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
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