Grani21.ru W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Obsolete doctype. Expected “<!DOCTYPE html>”.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
No space between attributes.
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Attribute “<ul” not allowed on element “div” at this point.
Element “li” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “ul”.
No “p” element in scope but a “p” end tag seen.
“=” in an unquoted attribute value. Probable causes: Attributes running together or a URL query string in an unquoted attribute value.
The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.
The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Warnings:
Attribute “<ul” is not serializable as XML 1.0.
The “language” attribute on the “script” element is obsolete.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The “border” attribute is obsolete.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.
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