This URL got a zero score for the Accessibility audit section.
Here is the the Lighthouse Report
I wanted to know how find the locations at which this check failed because I cannot find a way to figure it out.
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The problem seems to be with CSS
overflow properties. Seems overflow property can hinder Lighthouse's ability to run Accessibility audit.
I saved your page as HTML on my local machine. When I tried the lighthouse audit for the page, I encountered the same error. I then created a copy of the page with all
overflow properties removed from the source. Lighthouse was able to measure Accessibility now.
Note: The report for the new page also shows the specific elements where you have to improve the contrast ratio.