Musicvoice.jp W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad value “Last-Modified” for attribute “http-equiv” on element “meta”.
Bad value “auto” for attribute “width” on element “img”: Expected a digit but saw “a” instead.
Bad value “auto” for attribute “height” on element “img”: Expected a digit but saw “a” instead.
Duplicate ID “archive-list”.
The “center” element is obsolete. Use CSS instead.
Bad value “100px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate ID “s”.
Stray end tag “section”.
The “font” element is obsolete. Use CSS instead.
Warnings:
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “archive-list” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “s” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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