Trocafone.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
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.
Attribute “value” not allowed on element “a” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “true” for attribute “async” on element “script”.
Duplicate ID “selo-verificada”.
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Warnings:
The “form” role is unnecessary for element “form”.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “selo-verificada” was here.
This document appears to be written in Portuguese. Consider adding “lang="pt"” (or variant) to the “html” start tag.
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