Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “false” for attribute “rel” on element “a”: The string “false” is not a registered keyword.
Bad value “portada” for attribute “rel” on element “a”: The string “portada” is not a registered keyword.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “categoria_padre_105”.
Duplicate ID “categoria_padre_106”.
Duplicate ID “categoria_padre_262”.
Duplicate ID “categoria_padre_104”.
Duplicate ID “categoria_padre_266”.
Duplicate ID “categoria_padre_275”.
Duplicate ID “categoria_padre_274”.
Duplicate ID “categoria_padre_277”.
Duplicate ID “categoria_padre_127”.
Duplicate ID “categoria_padre_129”.
Duplicate ID “categoria_padre_107”.
Stray end tag “a”.
Duplicate ID “columnsmart”.
Duplicate ID “columnnosmart”.
The “center” element is obsolete. Use CSS instead.
Duplicate ID “fb-root”.
Bad element name “fb:like-box”: Code point “U+003A” is not allowed
Duplicate ID “detection”.
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “categoria_padre_105” was here.
The first occurrence of ID “categoria_padre_106” was here.
The first occurrence of ID “categoria_padre_262” was here.
The first occurrence of ID “categoria_padre_104” was here.
The first occurrence of ID “categoria_padre_266” was here.
The first occurrence of ID “categoria_padre_275” was here.
The first occurrence of ID “categoria_padre_274” was here.
The first occurrence of ID “categoria_padre_277” was here.
The first occurrence of ID “categoria_padre_127” was here.
The first occurrence of ID “categoria_padre_129” was here.
The first occurrence of ID “categoria_padre_107” was here.
The first occurrence of ID “columnsmart” was here.
The first occurrence of ID “columnnosmart” was here.
Empty heading.
The first occurrence of ID “fb-root” was here.
Element name “fb:like-box” cannot be represented as XML 1.0.
The first occurrence of ID “detection” was here.
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