Serialeonline.biz W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
CSS: Parse Error.
Stray end tag “style”.
Attribute “oldtitle” not allowed on element “a” at this point.
No space between attributes.
Element “img” is missing required attribute “src”.
Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “hidden_tip”.
Duplicate ID “”.
Duplicate ID “sl-loader”.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The first occurrence of ID “hidden_tip” was here.
The first occurrence of ID “” was here.
The first occurrence of ID “sl-loader” was here.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
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