Errors:
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.
Bad value “__blank” for attribute “target” on element “a”: Reserved keyword “_blank” used.
No space between attributes.
Attribute “input” not allowed on element “input” at this point.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
The “itemtype” attribute must not be specified on elements that do not have an “itemscope” attribute specified.
Attribute “original-title” not allowed on element “a” at this point.
Attribute “datetime” not allowed on element “span” at this point.
Element “br” not allowed as child of element “ol” in this context. (Suppressing further errors from this subtree.)
Element “b” not allowed as child of element “ol” in this context. (Suppressing further errors from this subtree.)
Text not allowed in element “ol” in this context.
Attribute “rel” not allowed on element “li” at this point.
Attribute “rel” not allowed on element “div” at this point.
Stray end tag “a”.
Attribute “rel” not allowed on element “span” at this point.
Bad value “follow” for attribute “rel” on element “a”: The string “follow” is not a registered keyword.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
Duplicate ID “”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “article” role is unnecessary for element “article”.
The first occurrence of ID “” was here.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
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