Warnings:
The “type” attribute is unnecessary for JavaScript resources.
The “type” attribute for the “style” element is not needed and should be omitted.
The “navigation” role is unnecessary for element “nav”.
The “banner” role is unnecessary for element “header”.
The first occurrence of ID “_ednref2” was here.
The first occurrence of ID “_ednref3” was here.
The first occurrence of ID “_ednref4” was here.
The first occurrence of ID “_ednref5” was here.
The first occurrence of ID “_ednref6” was here.
Potentially bad value “allow-scripts allow-same-origin allow-popups allow-presentation” for attribute “sandbox” on element “iframe”: Setting both “allow-scripts” and “allow-same-origin” is not recommended, because it effectively enables an embedded page to break out of all sandboxing.
The first occurrence of ID “_ednref1” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “contentinfo” role is unnecessary for element “footer”.
Empty heading.
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).
Errors:
CSS: Parse Error.
CSS: “margin-inline-start”: Property “margin-inline-start” doesn't exist.
CSS: “margin-inline-end”: Property “margin-inline-end” doesn't exist.
Duplicate ID “_ednref2”.
Duplicate ID “_ednref3”.
Duplicate ID “_ednref4”.
Duplicate ID “_ednref5”.
Duplicate ID “_ednref6”.
Bad value “true” for attribute “allowfullscreen” on element “iframe”.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Attribute “loading” not allowed on element “iframe” at this point.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Attribute “loading” not allowed on element “img” at this point.
Attribute “type” not allowed on element “iframe” at this point.
Duplicate ID “_ednref1”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Attribute “mask-type” not allowed on element “mask” at this point.
The “itemprop” attribute was specified, but the element is not a property of any item.
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