Errors:
X-UA-Compatible HTTP header must have the value “IE=edge”, was “IE=10”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
CSS: “width”: only “0” can be a “unit”. You must put a unit after your number.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
No “li” element in scope but a “li” end tag seen.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Bad value “” for attribute “height” on element “iframe”: The empty string is not a valid non-negative integer.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “sizes” attribute may be specified only if the “srcset” attribute is also present.
Bad value “” for attribute “src” on element “iframe”: Must be non-empty.
The element “button” must not appear as a descendant of the “a” element.
Stray end tag “div”.
Duplicate ID “btn3_video”.
Saw “<?”. Probable cause: Attempt to use an XML processing instruction in HTML. (XML processing instructions are not supported in HTML.)
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “type” attribute for the “style” element is not needed and should be omitted.
The “type” attribute is unnecessary for JavaScript resources.
The “main” role is unnecessary for element “main”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “btn3_video” was here.
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
Malaysia MY