Errors:
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Bad value “revision” for attribute “rel” on element “link”: The string “revision” is not a registered keyword.
Bad value “icon-news&video” for attribute “id” on element “symbol”: Not a valid XML 1.0 name.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “ul”.
No “li” element in scope but a “li” end tag seen.
Stray end tag “a”.
Self-closing syntax (“/>”) used on a non-void HTML element. Ignoring the slash and treating as a start tag.
Duplicate ID “forward-title”.
Duplicate ID “forward-desc”.
Bad value “tabpanel” for attribute “role” on element “article”.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Attribute “autocorrect” not allowed on element “input” at this point.
Attribute “autocapitalize” not allowed on element “input” at this point.
The “aria-labelledby” attribute must point to an element in the same document.
The “itemprop” attribute was specified, but the element is not a property of any item.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “navigation” role is unnecessary for element “nav”.
The first occurrence of ID “forward-title” was here.
The first occurrence of ID “forward-desc” was here.
The “button” role is unnecessary for element “button”.
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