Cicar.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “cache-control” for attribute “http-equiv” on element “meta”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
The “noframes” element is obsolete. Use the “iframe” element and CSS instead, or use server-side includes.
Element “g:plusone” not allowed as child of element “p” 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The “align” attribute on the “img” element is obsolete. Use CSS instead.
The text content of element “script” was not in the required format: Expected space, tab, newline, or slash but found “{” instead.
Warnings:
Element name “g:plusone” cannot be represented as XML 1.0.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in Spanish. Consider adding “lang="es"” (or variant) to the “html” start tag.
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