Carenet.com 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 first occurrence of ID “main-rogo” was here.
Attribute “2018年の10大ニュース"！” is not serializable as XML 1.0.
Attribute “【carenet.com…"” is not serializable as XML 1.0.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
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).
Errors:
Duplicate ID “main-rogo”.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “2018年の10大ニュース"！” not allowed on element “img” at this point.
Attribute “【carenet.com…"” not allowed on element “img” at this point.
Japan JP