Cebra.com.ar W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “cache-control” for attribute “http-equiv” on element “meta”.
Bad value “expires” for attribute “http-equiv” on element “meta”.
Bad value “pragma” for attribute “http-equiv” on element “meta”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
An element with “role=tab” must be contained in, or owned by, an element with “role=tablist”.
Bad value “tabpanel” for attribute “role” on element “ul”.
Duplicate ID “home-products”.
Duplicate ID “home-destacado”.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “home-products” was here.
The first occurrence of ID “home-destacado” was here.
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