Errors:
Bad value “Copyright” for attribute “http-equiv” on element “meta”.
Attribute “http-equiv” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “style” not allowed as child of element “noscript” in this context. (Suppressing further errors from this subtree.)
The “center” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “” for attribute “id” on element “img”: An ID must not be the empty string.
Duplicate ID “”.
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 “a”: An ID must not be the empty string.
The “align” attribute on the “img” element is obsolete. Use CSS instead.
Stray end tag “img”.
Bad value “” for attribute “id” on element “p”: An ID must not be the empty string.
Bad value “” for attribute “id” on element “h1”: An ID must not be the empty string.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “form”.
Bad value “” for attribute “id” on element “button”: An ID must not be the empty string.
The element “button” must not appear as a descendant of the “a” element.
Stray end tag “form”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The first occurrence of ID “” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
This document appears to be written in Indonesian but the “html” start tag has “lang="en"”. Consider using “lang="id"” (or variant) instead.
Indonesia ID