Errors:
Legacy encoding “euc-jp” used. Documents must use UTF-8.
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “text/html; charset=EUC-JP” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.
The “topmargin” attribute on the “body” element is obsolete. Use CSS instead.
The “leftmargin” attribute on the “body” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “body” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “body” element is obsolete. Use CSS instead.
The “center” element is obsolete.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.
“'” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
Table columns in range 2…3 established by element “td” have no cells beginning in them.
The “cellspacing” attribute on the “table” element is obsolete.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The “cellpadding” attribute on the “table” element is obsolete.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The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Start tag “form” seen in “table”.
Element “form” not allowed as child of element “tr” in this context. (Suppressing further errors from this subtree.)
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “height” not allowed on element “tr” at this point.
The “font” element is obsolete. Use CSS instead.
End tag “a” violates nesting rules.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “tr” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “height” not allowed on element “table” at this point.
Stray end tag “form”.
Start tag “input” seen in “table”.
Element “input” not allowed as child of element “tr” in this context. (Suppressing further errors from this subtree.)
Bad value “https://www.youtube.com/embed/3loITzXQ_kM?
rel=0&controls=0&showinfo=0&autopla=1&loop=1&playlist=3loITzXQ_kM” for attribute “src” on element “iframe”: Tab, new line or carriage return found.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Row 5 of a row group established by a “tbody” element has no cells beginning on it.
Table columns in range 5…7 established by element “td” have no cells beginning in them.
The “vspace” attribute on the “img” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
Table column 4 established by element “td” has no cells beginning in it.
Stray end tag “td”.
Stray end tag “tr”.
Stray end tag “table”.
End tag for “body” seen, but there were unclosed elements.
Unclosed element “center”.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “type” attribute is unnecessary for JavaScript resources.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
A table row was 7 columns wide and exceeded the column count established by the first row (4).
A table row was 0 columns wide, which is less than the column count established by the first row (4).
A table row was 4 columns wide and exceeded the column count established by the first row (3).
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.