Vallenevado.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “https://fonts.googleapis.com/css?family=Open+Sans+Condensed:300|Roboto+Condensed:300,400” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “class”.
Attribute “rel” not allowed on element “section” at this point.
Attribute “placeholder” not allowed on element “select” at this point.
Duplicate ID “sizeimg”.
Bad value “100%” for attribute “width” on element “video”: Expected a digit but saw “%” instead.
Attribute “rel” not allowed on element “div” at this point.
Attribute “rel” not allowed on element “footer” at this point.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The first occurrence of ID “sizeimg” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
This document appears to be written in English but the “html” start tag has “lang="es"”. Consider using “lang="en"” (or variant) instead.
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