Vulearning.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Element “script” must not have attribute “async” unless attribute “src” is also specified.
Element “div” not allowed as child of element “hgroup” in this context. (Suppressing further errors from this subtree.)
Element “hgroup” is missing a required instance of one or more of the following child elements: “h1”, “h2”, “h3”, “h4”, “h5”, “h6”.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “rules” attribute on the “table” element is obsolete. Use CSS instead.
Duplicate ID “1”.
Element “style” not allowed as child of element “aside” in this context. (Suppressing further errors from this subtree.)
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
The first occurrence of ID “1” was here.
Pakistan PK