Warnings:
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The “navigation” role is unnecessary for element “nav”.
Attribute “<img” is not serializable as XML 1.0.
This document appears to be written in Spanish but the “html” start tag has “lang="en"”. Consider using “lang="es"” (or variant) instead.
Errors:
Start tag “head” seen but an element of the same type was already open.
Bad start tag in “img” in “head”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Stray end tag “img”.
Stray end tag “a”.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<img” not allowed on element “a” at this point.
Attribute “src” not allowed on element “a” at this point.
Attribute “width” not allowed on element “a” at this point.
Attribute “height” not allowed on element “a” at this point.
Attribute “alt” not allowed on element “a” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Forbidden code point U+0004.
Bad value “” for attribute “src” on element “iframe”: Illegal character in path segment: “” is not allowed.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “border” not allowed on element “iframe” at this point.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
CSS: “margin”: only “0” can be a “unit”. You must put a unit after your number.
Attribute “padding” not allowed on element “img” at this point.
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