Klap.ir W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “button” for attribute “type” on element “a”: Subtype missing.
Duplicate ID “header_logo”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
Element “style” not allowed as child of element “div” 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.
Element “img” is missing required attribute “src”.
Duplicate ID “myModalLabel”.
Duplicate attribute “style”.
No “p” element in scope but a “p” end tag seen.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Warnings:
The first occurrence of ID “header_logo” was here.
The first occurrence of ID “myModalLabel” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in Persian. Consider adding “dir="rtl"” to the “html” start tag.
Iran IR