Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Errors:
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “80%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “80%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete.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.
End tag “h2” seen, but there were open elements.
Bad value “name” for attribute “type” on element “input”.
Attribute “placeholder” is only allowed when the input type is “email”, “number”, “password”, “search”, “tel”, “text”, or “url”.
Attribute “required” is only allowed when the input type is “checkbox”, “date”, “datetime-local”, “email”, “file”, “month”, “number”, “password”, “radio”, “search”, “tel”, “text”, “time”, “url”, or “week”.
End tag “div” seen, but there were open elements.
Unclosed element “ul”.
Stray end tag “ul”.
Stray end tag “div”.
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