Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Attribute “height” not allowed on element “table” at this point.
The “align” attribute on the “table” element is obsolete.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The “cellpadding” attribute on the “table” element is obsolete.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The “cellspacing” attribute on the “table” element is obsolete.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The “width” attribute on the “table” element is obsolete.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The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Bad value “” for attribute “id” on element “span”: An ID must not be the empty string.
Duplicate ID “”.
Duplicate ID “bs-example-navbar-collapse-1”.
Duplicate ID “tab_1”.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
Warnings:
The first occurrence of ID “” was here.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “bs-example-navbar-collapse-1” was here.
The first occurrence of ID “tab_1” was here.
This document appears to be written in Persian. Consider adding “lang="fa"” (or variant) to the “html” start tag.
This document appears to be written in Persian. Consider adding “dir="rtl"” to the “html” start tag.
Iran IR