Errors:
Attribute “data” not allowed on element “script” at this point.
Attribute “app” not allowed on element “script” at this point.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
Attribute “href” not allowed on element “li” at this point.
No space between attributes.
Attribute “alt” not allowed on element “input” at this point.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “table” element is obsolete. Use CSS instead.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
Attribute “name” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “itemprop”, “property”.
Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.
Warnings:
Empty heading.
The “language” attribute on the “script” element is obsolete.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The “border” attribute is obsolete.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.
A table row was 1 columns wide, which is less than the column count established by the first row (2).
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