Errors:
Legacy encoding “windows-1252” used. Documents must use UTF-8.
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Bad value “text/html; charset=windows-1252” for attribute “content” on element “meta”: “charset=” must be followed by “utf-8”.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Duplicate attribute “name”.
Duplicate attribute “content”.
Attribute “<meta” not allowed on element “meta” at this point.
Bad value “Classification” for attribute “http-equiv” on element “meta”.
The “topmargin” attribute on the “body” element is obsolete.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The “leftmargin” attribute on the “body” element is obsolete.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The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “body” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “body” element is obsolete. Use CSS instead.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete.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The “width” attribute on the “table” element is obsolete.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The “border” attribute on the “table” element is obsolete.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.
Bad value “624, 4, 676, 30” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.
Bad value “688, 0, 724, 34” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.
Bad value “736, 0, 779, 34” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.
Bad value “629, 66, 779, 94” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.
Bad value “2, 4, 287, 43” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.
Bad value “217, 59, 614, 78” for attribute “coords” on element “area”: Expected a minus sign or a digit but saw “ ” instead.
Attribute “bordercolor” not allowed on element “table” at this point.
The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
The “font” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” 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.
Stray end tag “a”.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
The “vspace” attribute on the “img” element is obsolete. Use CSS instead.
Attribute “height” not allowed on element “table” at this point.
The “height” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “h4” element is obsolete. Use CSS instead.
The “nowrap” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “background” not allowed on element “table” at this point.
The “color” attribute on the “hr” element is obsolete. Use CSS instead.
The “size” attribute on the “hr” element is obsolete. Use CSS instead.
Bad value “mailto:webmaster@vacuumtubes.net?subject=From Vacuum Tube Dot Net” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Warnings:
Attribute “<meta” is not serializable as XML 1.0.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.