Errors:
Legacy encoding “shift_jis” used. Documents must use UTF-8.
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “text/html; charset=shift_jis” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
Bad value “Pragma” for attribute “http-equiv” on element “meta”.
Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.
Attribute “equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “http-equiv”, “itemprop”, “name”, “property”.
Bad value “cache-control” for attribute “http-equiv” on element “meta”.
Bad value “expires” for attribute “http-equiv” on element “meta”.
The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.
The “text” attribute on the “body” element is obsolete. Use CSS instead.
The “leftmargin” attribute on the “body” element is obsolete. Use CSS instead.
The “topmargin” attribute on the “body” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “body” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “body” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Attribute “background” not allowed on element “td” at this point.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “align” attribute on the “tr” element is obsolete. Use CSS instead.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “charset” attribute on the “script” element is obsolete.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
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