Toto.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 “” for attribute “action” on element “form”: Must be non-empty.
Bad value “800px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “2018.04.02” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018.03.27” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2018.02.28” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2013.03.05” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2012.08.24” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
Bad value “2011.04.12” for attribute “datetime” on element “time”: The literal did not satisfy the time-datetime format.
The “frameborder” attribute on the “iframe” element is obsolete.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The “scrolling” attribute on the “iframe” element is obsolete.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The “marginheight” attribute on the “iframe” element is obsolete.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The “marginwidth” attribute on the “iframe” element is obsolete.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.
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