Unlock.org.uk 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.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Stray end tag “ul”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Element “p” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Unclosed element “span”.
Element “aside” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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