Errors:
Legacy encoding “euc-jp” used. Documents must use UTF-8.
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “text/html; charset=euc-jp” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
The “summary” attribute on the “table” element is obsolete. Consider describing the structure of the “table” in a “caption” element or in a “figure” element containing the “table”; or, simplify the structure of the “table” so that no description is needed.
“td” start tag in table body.
The “longdesc” attribute on the “img” element is obsolete. Use a regular “a” element to link to the description.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Empty heading.
The “type” attribute is unnecessary for JavaScript resources.
Japan JP