Genmirror.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “{count}” not allowed on element “a” at this point.
Attribute “autocorrect” not allowed on element “input” at this point.
Stray end tag “span”.
Duplicate ID “input”.
Duplicate ID “magicbox”.
Duplicate ID “getform”.
Duplicate ID “urldown”.
Duplicate ID “submit”.
Warnings:
Attribute “{count}” is not serializable as XML 1.0.
The “form” role is unnecessary for element “form”.
The first occurrence of ID “input” was here.
The first occurrence of ID “magicbox” was here.
The first occurrence of ID “getform” was here.
The first occurrence of ID “urldown” was here.
The first occurrence of ID “submit” was here.
The “language” attribute on the “script” element is obsolete.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).
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