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.
Saw “<!--” within a comment. Probable cause: Nested comment (not allowed).
Stray end tag “div”.
Duplicate ID “pengumuman”.
Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “prettyPhoto[galname]” for attribute “rel” on element “a”: The string “prettyPhoto[galname]” is not a registered keyword.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
End tag “div” seen, but there were open elements.
Unclosed element “section”.
Stray end tag “section”.
The “center” element is obsolete. Use CSS instead.
Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
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 first occurrence of ID “pengumuman” was here.
This document appears to be written in Indonesian. Consider adding “lang="id"” (or variant) to the “html” start tag.
Indonesia ID