Errors:
Bogus doctype.
Quirky doctype. Expected “<!DOCTYPE html>”.
Bad value “https://www.w3.org/1999/xhtml” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Attribute “charset” not allowed on element “meta” at this point.
Bad value “text/html” for attribute “content” on element “meta”: The legacy encoding declaration did not start with “text/html;”.
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”.
Bad value “x” for attribute “hreflang” on element “link”: No subtags in private use sequence.
Bad value “navigation” for attribute “role” on element “header”.
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “required""” not allowed on element “a” at this point.
Bad value “https://” for attribute “href” on element “a”: Invalid host: empty host.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “images/header/LAPOR XBANNER 2.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “images/header/wisuda ti.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The “center” element is obsolete. Use CSS instead.
Bad value “images/foto_berita/93IMG-20180528-WA0088 teh.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The element “button” must not appear as a descendant of the “a” element.
Bad value “images/foto_berita/16DSC_0038 1.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “images/foto_berita/4DSC_0039 1.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The element “h4” must not appear as a descendant of the “dt” element.
Element “dl” is missing a required instance of child element “dd”.
Duplicate ID “weather”.
Bad value “images/img_galeri/438836sungai_kapuas 201.jpg” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “images/img_galeri/438836sungai_kapuas 201.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The “align” attribute on the “div” element is obsolete. Use CSS instead.
Bad value “80%” 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.
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.
Attribute “label-default” not allowed on element “label” at this point.
Bad value “100%” for attribute “cols” on element “textarea”: Expected a digit but saw “%” instead.
End tag “div” seen, but there were open elements.
Unclosed element “form”.
Stray end tag “form”.
Warnings:
Attribute “xmlns” is not serializable as XML 1.0.
Potentially bad value “in-id” for attribute “lang” on element “html”: The language subtag “in” is deprecated. Use “id” instead.
Attribute “required""” is not serializable as XML 1.0.
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 “weather” was here.
The “form” role is unnecessary for element “form”.
This document appears to be written in Indonesian but the “html” start tag has “lang="in-id"”. Consider using “lang="id"” (or variant) instead.