Errors:
Bad value “cache-control” for attribute “http-equiv” on element “meta”.
Bad value “Accept-Encoding” for attribute “http-equiv” on element “meta”.
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Stray end tag “ul”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “a” violates nesting rules.
Stray end tag “picture”.
No “p” element in scope but a “p” end tag seen.
End tag “br”.
The element “button” must not appear as a descendant of the “a” element.
End tag “p” implied, but there were open elements.
Unclosed element “a”.
End tag “h2” seen, but there were open elements.
No “a” element in scope but a “a” end tag seen.
Attribute “name” not allowed on element “section” at this point.
Attribute “height” not allowed on element “a” at this point.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
The “form” role is unnecessary for element “form”.
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Empty heading.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
This document appears to be written in Spanish but the “html” start tag has “lang="en"”. Consider using “lang="es"” (or variant) instead.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Mexico MX