Errors:
Attribute “session_id” not allowed on element “meta” at this point.
Element “meta” is missing one or more of the following attributes: “charset”, “content”, “http-equiv”, “itemprop”, “name”, “property”.
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Bad start tag in “img” in “head”.
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 “noscript”.
Stray end tag “head”.
Start tag “body” seen but an element of the same type was already open.
The “font” element is obsolete. Use CSS instead.
An element with “role=tab” must be contained in, or owned by, an element with “role=tablist”.
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Bad value “_new” for attribute “target” on element “a”: Reserved keyword “new” used.
Element “a” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The element “button” must not appear as a descendant of the “a” element.
End tag “li” seen, but there were open elements.
Unclosed element “div”.
Bad value “25px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “” for attribute “action” on element “form”: Must be non-empty.
Bad value “32px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Stray end tag “section”.
Stray end tag “a”.
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “small” in this context. (Suppressing further errors from this subtree.)
Duplicate ID “login-form”.
Duplicate ID “registerUsername”.
The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Stray end tag “div”.
The “for” attribute of the “label” element must refer to a non-hidden form control.
The “aria-labelledby” attribute must point to an element in the same document.
Warnings:
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The first occurrence of ID “login-form” was here.
The first occurrence of ID “registerUsername” was here.
The “form” role is unnecessary for element “form”.
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).
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