Cqtiyu.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Element “head” is missing a required instance of child element “title”.
Attribute “frameborder” not allowed on element “frameset” at this point.
Attribute “border” not allowed on element “frameset” at this point.
Attribute “framespacing” not allowed on element “frameset” at this point.
The “frameset” element is obsolete. Use the “iframe” element and CSS instead, or use server-side includes.
Element “noframes” not allowed as child of element “html” in this context. (Suppressing further errors from this subtree.)
The “noframes” element is obsolete. Use the “iframe” element and CSS instead, or use server-side includes.
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