Errors:
Legacy doctype. Expected “<!DOCTYPE html>”.
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
The “version” attribute on the “html” element is obsolete. You can safely omit it.
The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.
Bad value “x-dns-prefetch-control” for attribute “http-equiv” on element “meta”.
Bad value “//” for attribute “href” on element “link”: Invalid host: empty host.
Stray end tag “script”.
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “st_url” not allowed on element “span” at this point.
Attribute “st_title” not allowed on element “span” at this point.
Attribute “displaytext” not allowed on element “span” at this point.
Attribute “st_via” not allowed on element “span” at this point.
Attribute “st_username” not allowed on element “span” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
This document appears to be written in Spanish. Consider adding “lang="es"” (or variant) to the “html” start tag.
Spain ES