Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Attribute “input[type” is not serializable as XML 1.0.
Attribute “]” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “mc_embed_signup_scroll” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No space between attributes.
Attribute “input[type” not allowed on element “input” at this point.
Attribute “]” not allowed on element “input” at this point.
Attribute “disabled” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Duplicate ID “mc_embed_signup_scroll”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
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