Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
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The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Duplicate ID “searchForm”.
Duplicate ID “keyword”.
Attribute “alt” not allowed on element “div” at this point.
Duplicate ID “tabBorder”.
Duplicate ID “port_k”.
Duplicate ID “portfolioFrame”.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete.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The “align” attribute on the “td” element is obsolete.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The “valign” attribute on the “td” element is obsolete.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The “bgcolor” attribute on the “td” element is obsolete.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.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Stray end tag “div”.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
The first occurrence of ID “searchForm” was here.
The first occurrence of ID “keyword” was here.
The first occurrence of ID “tabBorder” was here.
The first occurrence of ID “port_k” was here.
The first occurrence of ID “portfolioFrame” was here.
This document appears to be written in Japanese. Consider adding “lang="ja"” (or variant) to the “html” start tag.
Japan JP