You might have an easier time using a purpose-built tool since automated testing can catch a lot of accessibility problems. Deque's aXe or WAVE can even do everything in a browser extension (in the interests of full disclosure, I worked on the first release of aXe).
But my favorite broken website, although hardly major, is Yvette's Bridal & Formal. I love it dearly.
The accessibility advocate I saw a presentation from yesterday talked about aXe / a bunch of people talked about using it !
Thanks Dian! I use both tools from time to time. I'm mostly looking for good examples I can show in a screen recording. Many people have a hard time understanding the why behind accessibility, but showing them how awful a site can be to use with a screen reader or keyboard/witch helps a ton.
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