Usability and accessibility » A11y overlays
JavaScript-based “overlays” promise accessibility as a convenient add-on, but very much fail to deliver.
So-called “accessibility overlays” represent technological solutionism in its purest form (“don’t worry about inclusive design, you can fix it with a few lines of code later”) and opinions are manifold why using them is a bad idea. Their claim of compliance with legal requirements is at least disputed, and from a user’s point of view they — unsurprisingly — don’t seem to deliver on their promise.
Maybe the most comprehensive resource collecting opinions and evidence:
Some other good readings:
Karl Groves has authored a fact sheet, collecting arguments, evidence and signatures:

I'm Sebastian, Sociologist and Interaction Designer aiming to bring together social science and design for inclusive, privacy-focused, and sustainable "human-first" digital strategies. This is my "digital garden" with carefully curated resources. For a more stream-like outlet, see my journal.
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