Errors:
Bad value “expires” for attribute “http-equiv” on element “meta”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
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”.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Malformed byte sequence: “ed”.
Malformed byte sequence: “f1”.
Element “a” not allowed as child of element “ul” 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.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “http://uvg.edu.gt/publicaciones/revis ta/volumen-34.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Element “hr” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)
Malformed byte sequence: “f3”.
Malformed byte sequence: “e1”.
The “center” element is obsolete. Use CSS instead.
Element “p1” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “seccionuvghoy”.
Duplicate ID “division12”.
Malformed byte sequence: “e9”.
Malformed byte sequence: “bf”.
Duplicate ID “division”.
Duplicate ID “division11”.
Malformed byte sequence: “d1”.
Malformed byte sequence: “d3”.
Element “p3” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
End tag “div” seen, but there were open elements.
Unclosed element “p3”.
Duplicate ID “seccioneventos1”.
Duplicate ID “divisioniz”.
Malformed byte sequence: “c1”.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Bad value “https://www.facebook.com/tr?id=225444647938958&ev=PageView
&noscript=1” for attribute “src” on element “img”: Tab, new line or carriage return found.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “seccionuvghoy” was here.
The first occurrence of ID “division12” was here.
The first occurrence of ID “division” was here.
The first occurrence of ID “division11” was here.
The first occurrence of ID “seccioneventos1” was here.
The first occurrence of ID “divisioniz” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in Spanish. Consider adding “lang="es"” (or variant) to the “html” start tag.
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).
Guatemala GT