123sonography.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Bad value “contentinfo” for attribute “role” on element “nav”.
Duplicate ID “subnavi__personal”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
End tag “section” seen, but there were open elements.
Unclosed element “div”.
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Stray end tag “main”.
Warnings:
The first occurrence of ID “subnavi__personal” was here.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
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