Sbtech.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “swiper css-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “fullpage css-css” for attribute “id” on element “link”: An ID must not contain whitespace.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “0px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Bad value “0px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
Element “m” not allowed as child of element “a” in this context. (Suppressing further errors from this subtree.)
Bad value “469px” for attribute “width” on element “canvas”: Expected a digit but saw “p” instead.
Bad value “443px” for attribute “height” on element “canvas”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Stray end tag “div”.
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