Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).
Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.
No space between attributes.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
The “center” element is obsolete. Use CSS instead.
The “valign” attribute on the “tr” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “center” in this context. (Suppressing further errors from this subtree.)
The “cellpadding” attribute on the “table” element is obsolete.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The “cellspacing” attribute on the “table” element is obsolete.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The “valign” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “100%” for attribute “width” on element “object”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “object”: Expected a digit but saw “%” 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The “classid” attribute on the “object” element is obsolete.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The “codebase” attribute on the “object” element is obsolete.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The “align” attribute on the “object” element is obsolete.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.
Attribute “scale” not allowed on element “param” at this point.
Bad value “100%” for attribute “width” on element “embed”: Expected a digit but saw “%” instead.
Bad value “100%” for attribute “height” on element “embed”: Expected a digit but saw “%” 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The “name” attribute on the “embed” element is obsolete.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The “align” attribute on the “embed” element is obsolete.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.
Duplicate ID “divider-column”.
Duplicate ID “divider”.
End tag “li” seen, but there were open elements.
Unclosed element “b”.
Element “b” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
End tag “ul” seen, but there were open elements.
End tag “div” seen, but there were open elements.
Element “h2” not allowed as child of element “b” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “b” in this context. (Suppressing further errors from this subtree.)
Unclosed element “center”.
Duplicate ID “thumbnails-margin”.
Duplicate ID “thumbnails-outline”.
Duplicate ID “thumbnails-container”.
Stray end tag “div”.
End tag for “body” seen, but there were unclosed elements.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
The first occurrence of ID “divider-column” was here.
The first occurrence of ID “divider” was here.
The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “thumbnails-margin” was here.
The first occurrence of ID “thumbnails-outline” was here.
The first occurrence of ID “thumbnails-container” was here.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.