Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
Attribute “onselectstart” not allowed on element “body” at this point.
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete.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The “marginheight” attribute on the “iframe” element is obsolete.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The “marginwidth” attribute on the “iframe” element is obsolete.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.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value for attribute “src” on element “iframe”: Tab, new line or carriage return found.
Attribute “width” not allowed on element “a” at this point.
Warnings:
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
Japan JP