Errors:
Bad value “utf-8” for attribute “lang” on element “html”: The language subtag “utf” is not a valid ISO language part of a language tag.
Attribute “httpequiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “http-equiv”, “itemprop”, “name”, “property”.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
Attribute “name” not allowed on element “div” at this point.
Element “button” not allowed as child of element “dl” in this context. (Suppressing further errors from this subtree.)
The element “a” must not appear as a descendant of the “button” element.
Element “dl” is missing a required instance of child element “dd”.
Bad value “” for attribute “name” on element “iframe”: Browsing context name must be at least one character long.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Spain ES