December 03, 2025 11:51 1 errors

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The “aria-labelledby” attribute must not be specified on any “div” element unless the element has a “role” value other than “caption”, “code”, “deletion”, “emphasis”, “generic”, “insertion”, “paragraph”, “presentation”, “strong”, “subscript”, or “superscript”.

Complete list

0 Error

The “aria-labelledby” attribute must not be specified on any “div” element unless the element has a “role” value other than “caption”, “code”, “deletion”, “emphasis”, “generic”, “insertion”, “paragraph”, “presentation”, “strong”, “subscript”, or “superscript”.

From line 12, column 81; to line 12, column 149
ton></div><div class=toc-container aria-hidden=false aria-labelledby=toc-title><div c

Ignored errors

wasm-unsafe-eval

Necessary security policy for Pagefind

Element “style” not allowed as child of element “body”

Debug tool, not used in production

A “figure” element with a “figcaption” descendant must not have a “role” attribute.

Necessary for a good accessibility

Element “summary” is missing one or more of the following attributes: “aria-checked”, “aria-level”, “role”.

Necessary for a good accessibility. W3C specification is still work in progress about this issue.

The “aria-expanded” attribute must not be used on any “summary” element that is a summary for its parent “details” element.

Necessary for a good accessibility. W3C specification is still work in progress about this issue.

Messages by types

1 ×

The “banner” role is unnecessary for element “header”.

1 ×

The “aria-labelledby” attribute must not be specified on any “div” element unless the element has a “role” value other than “caption”, “code”, “deletion”, “emphasis”, “generic”, “insertion”, “paragraph”, “presentation”, “strong”, “subscript”, or “superscript”.

1 ×

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections, or else use a “div” element instead for any cases where no heading is needed.

1 ×

The “contentinfo” role is unnecessary for element “footer”.

Complete list

0 Warning

The “banner” role is unnecessary for element “header”.

From line 7, column 2100; to line 7, column 2138
/ul></nav><header id=document-header role=banner><nav c
1 Error

The “aria-labelledby” attribute must not be specified on any “div” element unless the element has a “role” value other than “caption”, “code”, “deletion”, “emphasis”, “generic”, “insertion”, “paragraph”, “presentation”, “strong”, “subscript”, or “superscript”.

From line 12, column 81; to line 12, column 149
ton></div><div class=toc-container aria-hidden=false aria-labelledby=toc-title><div c
2 Warning

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections, or else use a “div” element instead for any cases where no heading is needed.

From line 36, column 349; to line 36, column 385
div></div><section class="backtotop container"><p><a
3 Warning

The “contentinfo” role is unnecessary for element “footer”.

From line 36, column 436; to line 36, column 479
on></main><footer id=document-footer role=contentinfo><div c

Messages by types

1 ×

The “aria-labelledby” attribute must not be specified on any “div” element unless the element has a “role” value other than “caption”, “code”, “deletion”, “emphasis”, “generic”, “insertion”, “paragraph”, “presentation”, “strong”, “subscript”, or “superscript”.

Complete list

0 Error

The “aria-labelledby” attribute must not be specified on any “div” element unless the element has a “role” value other than “caption”, “code”, “deletion”, “emphasis”, “generic”, “insertion”, “paragraph”, “presentation”, “strong”, “subscript”, or “superscript”.

From line 12, column 81; to line 12, column 149
ton></div><div class=toc-container aria-hidden=false aria-labelledby=toc-title><div c

Messages by types

1 ×

The “banner” role is unnecessary for element “header”.

1 ×

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections, or else use a “div” element instead for any cases where no heading is needed.

1 ×

The “contentinfo” role is unnecessary for element “footer”.

Complete list

0 Warning

The “banner” role is unnecessary for element “header”.

From line 7, column 2100; to line 7, column 2138
/ul></nav><header id=document-header role=banner><nav c
1 Warning

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections, or else use a “div” element instead for any cases where no heading is needed.

From line 36, column 349; to line 36, column 385
div></div><section class="backtotop container"><p><a
2 Warning

The “contentinfo” role is unnecessary for element “footer”.

From line 36, column 436; to line 36, column 479
on></main><footer id=document-footer role=contentinfo><div c

Messages by types

Complete list