Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “Description” for attribute “http-equiv” on element “meta”.
Bad value “Keywords” for attribute “http-equiv” on element “meta”.
Start tag “body” seen but an element of the same type was already open.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “headerAdvert”.
The “center” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “header”.
Attribute “gesture” not allowed on element “iframe” at this point.
Attribute “allow” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Stray end tag “iframe”.
Stray end tag “strong”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Duplicate ID “mainContent”.
Duplicate ID “secContent”.
Duplicate ID “terContent”.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “div”.
Warnings:
The first occurrence of ID “headerAdvert” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “header” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “mainContent” was here.
The first occurrence of ID “secContent” was here.
The first occurrence of ID “terContent” was here.
This document appears to be written in Spanish. Consider adding “lang="es"” (or variant) to the “html” start tag.
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