Btn.com W3C HTML Markup Validation
HTML markup errors and warnings
(Rescan now...)
Errors:
Duplicate attribute “lang”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Attribute “border” not allowed on element “iframe” at this point.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
Stray end tag “span”.
Bad value “generator nofollow” for attribute “rel” on element “a”: The string “generator” is not a registered keyword.
Attribute “displaytext” not allowed on element “span” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “generator” for attribute “rel” on element “a”: The string “generator” is not a registered keyword.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
United States US