Jmca.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “tbarList”.
The “font” element is obsolete. Use CSS instead.
Attribute “alt” not allowed on element “div” at this point.
Element “dl” is missing a required child element.
Attribute “alt” not allowed on element “dl” at this point.
Attribute “alt” not allowed on element “article” at this point.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The first occurrence of ID “tbarList” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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