Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Attribute “display” not allowed on element “div” at this point.
Bad value “https://www.w3.org/2000/svg” for the attribute “xmlns” (only “http://www.w3.org/2000/svg” permitted here).
Duplicate attribute “rel”.
Element “style” not allowed as child of element “nav” in this context. (Suppressing further errors from this subtree.)
The element “a” must not appear as a descendant of the “button” element.
Element “div” not allowed as child of element “a” 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.)
CSS: “backdrop-filter”: Property “backdrop-filter” doesn't exist.
CSS: Parse Error.
Attribute “loading” not allowed on element “img” at this point.
Attribute “type” not allowed on element “img” at this point.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “img” at this point.
Element “img” is missing required attribute “src”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Element “h3” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “1160w” for attribute “sizes” on element “source”: Expected units (one of “em”, “ex”, “ch”, “rem”, “vw”, “vh”, “vmin”, “vmax”, “cm”, “mm”, “q”, “in”, “pc”, “pt”, “px”) but found “w” at “1160w”.
Bad value “/img/ventajas-madrid-h.jpg 1x, /img/ventajas-madrid-h@2x.jpg 2x” for attribute “srcset” on element “source”: Expected width descriptor but found “1x” at “…adrid-h.jpg 1x,”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)
Bad value “(max-width:1150px)” for attribute “sizes” on element “img”: Expected number but found “(max-width:1150px)” at “(max-width:1150px)”.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Element “div” not allowed as child of element “h4” in this context. (Suppressing further errors from this subtree.)
Bad value “contenedor dosColumnas” for attribute “id” on element “div”: An ID must not contain whitespace.
Element “div” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Element “p” not allowed as child of element “label” in this context. (Suppressing further errors from this subtree.)
Bad value “true” for attribute “async” on element “script”.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Attribute “xmlns” 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.
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