Errors:
Malformed byte sequence: “e1”.
Malformed byte sequence: “e9”.
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
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”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “keywords” for attribute “http-equiv” on element “meta”.
Malformed byte sequence: “a1”.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Duplicate ID “headerTag”.
Duplicate ID “headerMenuBoton”.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Malformed byte sequence: “da”.
Malformed byte sequence: “ed”.
Malformed byte sequence: “f3”.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Malformed byte sequence: “ed”, “ad”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Malformed byte sequence: “bf”.
Malformed byte sequence: “f1”.
Duplicate ID “opcionEncuesta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “rel”.
Duplicate ID “containerAfiliados”.
Table cell spans past the end of its row group established by a “tbody” element; clipped to the end of the row group.
Table columns in range 3…5 established by element “td” have no cells beginning in them.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “headerTag” was here.
The first occurrence of ID “headerMenuBoton” was here.
A table row was 3 columns wide, which is less than the column count established by the first row (5).
A table row was 2 columns wide, which is less than the column count established by the first row (5).
The first occurrence of ID “opcionEncuesta” was here.
The first occurrence of ID “containerAfiliados” was here.
This document appears to be written in Spanish. Consider adding “lang="es"” (or variant) to the “html” start tag.
Mexico MX