Nijimen.net W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Duplicate ID “new_user”.
Warnings:
The value of attribute “data-track-click-action” on element “a” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
The value of attribute “alt” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Text run is not in Unicode Normalization Form C.
The first occurrence of ID “new_user” was here.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
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