Chickabug.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Almost standards mode doctype. Expected “<!DOCTYPE html>”.
Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.
Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.
Duplicate ID “nav”.
Element “script” must not have attribute “charset” unless attribute “src” is also specified.
Bad value “http://www.w3.org/1999/html” for the attribute “xmlns” (only “http://www.w3.org/1999/xhtml” permitted here).
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Attribute “value” not allowed on element “input” at this point.
Element “input” is missing required attribute “alt”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Duplicate attribute “target”.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “nav” was here.
Attribute “xmlns” is not serializable as XML 1.0.
Empty heading.
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
United States US