Alternativa.co.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “qi4mjciide4kjtz3tylcyfx1” was here.
This document appears to be written in Portuguese. Consider adding “lang="pt"” (or variant) to the “html” start tag.
Errors:
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “input” is missing required attribute “alt”.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “img”: Expected a digit but saw “%” instead.
Duplicate ID “qi4mjciide4kjtz3tylcyfx1”.
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