Warnings:
The character encoding “windows-31j” is not widely supported. Better interoperability may be achieved by using “UTF-8”.
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
The “type” attribute is unnecessary for JavaScript resources.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Errors:
Legacy encoding “windows-31j” used. Documents must use UTF-8.
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Attribute “xmlns:fb” not allowed here.
Internal encoding declaration “shift_jis” disagrees with the actual encoding of the document (“windows-31j”).
Bad value “text/html; charset=Shift_JIS” 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 “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”.
Element “link” is missing one or more of the following attributes: “itemprop”, “property”, “rel”.
Bad value “” for attribute “src” on element “img”: Must be non-empty.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete.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.
No space between attributes.
Duplicate attribute “data-src”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
CSS: Parse Error.
The “frameborder” attribute on the “iframe” element is obsolete.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The “scrolling” attribute on the “iframe” element is obsolete.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The “marginheight” attribute on the “iframe” element is obsolete.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The “marginwidth” attribute on the “iframe” element is obsolete.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.
Japan JP