Errors:
The encoding “sjis” is not the preferred name of the character encoding in use. The preferred name is “shift_jis”. (Charmod C024)
Legacy encoding “shift_jis” used. Documents must use UTF-8.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
No space between the doctype public and system identifiers.
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”.
Bad value “Expires” for attribute “http-equiv” on element “meta”.
Bad value “handheld” for attribute “media” on element “link”: Deprecated media type “handheld”. For guidance, see the Media Types section in the current Media Queries specification.
The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
Element “object” is missing one or more of the following attributes: “data”, “type”.
The “classid” attribute on the “object” element is obsolete. Use the “data” and “type” attributes to invoke plugins. To set a parameter with the name “classid”, use the “param” element.
The “codebase” attribute on the “object” element is obsolete. Use the “data” and “type” attributes to invoke plugins. To set a parameter with the name “codebase”, use the “param” element.
The “align” attribute on the “object” element is obsolete. Use CSS instead.
The “name” attribute on the “embed” element is obsolete. Use the “id” attribute instead.
The “align” attribute on the “embed” element is obsolete. Use CSS instead.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
Empty heading.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Japan JP