Errors:
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Element “title” not allowed as child of element “head” in this context. (Suppressing further errors from this subtree.)
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Attribute “css-attach” not allowed on element “div” at this point.
Element “h1” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “itemtype” attribute must not be specified on elements that do not have an “itemscope” attribute specified.
Attribute “allow” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “contentinfo” for attribute “role” on element “section”.
Bad value “https://www.seo.org/sobre-nosotros/"” for attribute “href” on element “a”: Illegal character in path segment: “"” is not allowed.
Bad value “https://www.seo.org/politica-de-privacidad-y-cookies/"” for attribute “href” on element “a”: Illegal character in path segment: “"” is not allowed.
Duplicate ID “mailpoet_form_1”.
Attribute “rel” not allowed on element “button” at this point.
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Bad value “” for attribute “media” on element “link”: Media query ended prematurely.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
Consider avoiding viewport values that prevent users from resizing documents.
Text run is not in Unicode Normalization Form C.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “mailpoet_form_1” was here.
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