Errors:
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “text/html;charset=ISO-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
Malformed byte sequence: “f3”.
Malformed byte sequence: “f1”.
Malformed byte sequence: “bf”.
Malformed byte sequence: “e9”.
Malformed byte sequence: “fa”.
Malformed byte sequence: “ed”.
Malformed byte sequence: “e1”.
A slash was not immediately followed by “>”.
Malformed byte sequence: “a1”.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “blockchain:” not allowed on element “img” at this point.
Attribute “un” not allowed on element “img” at this point.
Attribute “gran” not allowed on element “img” at this point.
Attribute “valor” not allowed on element “img” at this point.
Attribute “para” not allowed on element “img” at this point.
Attribute “las” not allowed on element “img” at this point.
Attribute “fundaciones""” not allowed on element “img” at this point.
Stray end tag “section”.
Malformed byte sequence: “ba”.
Malformed byte sequence: “cd”.
Malformed byte sequence: “d3”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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).
Attribute “blockchain:” is not serializable as XML 1.0.
Attribute “fundaciones""” is not serializable as XML 1.0.
Empty heading.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
This document appears to be written in Spanish. Consider adding “lang="es"” (or variant) to the “html” start tag.
Spain ES