This is www.testufo.com, the popular TestUFO display motion tests created by Blur Busters.
For peer reviewed research including TestUFO, see Area 51 Display Science, Research & Engineering.
Also, see TestUFO Discussion Forums and read below for news and articles about TestUFO:
Microsoft Edge Browser Now Supports 240Hz on TestUFO Motion Testing Website
Microsoft Edge Supports 240 Hz in Chromium-Based Version A new version of Microsoft Edge web browser is now available for download that supports TestUFO at 240 Hz refresh rate! Any Edge web browser Version 70 or later, supports 240 Hz....
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