Sekisuiheim.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “video/mp4; codecs=avc1.42E01E,mp4a.40.2” for attribute “type” on element “source”: Expected a token character, whitespace or a semicolon but saw “,” instead.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Element “object” is missing one or more of the following attributes: “data”, “type”.
The element “a” must not appear as a descendant of the “a” element.
Bad value “_blank ” for attribute “target” on element “a”: Reserved keyword “blank ” used.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
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