Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Stray start tag “html”.
Start tag “head” seen but an element of the same type was already open.
Element “meta” is missing one or more of the following attributes: “content”, “property”.
The “center” element is obsolete.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The “cellspacing” attribute on the “table” element is obsolete.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The “cellpadding” attribute on the “table” element is obsolete.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The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Element “input” is missing required attribute “alt”.
Element “style” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “nowrap” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “width” not allowed on element “div” at this point.
The “rules” attribute on the “table” element is obsolete. Use CSS instead.
Element “table” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “box1”.
Element “center” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Warnings:
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “box1” was here.
Iran IR