If you got something like this happened on Firefox Mac, you should disable some setting
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Go about:config
Search for privacy.resistFingerprinting
privacy.resistFingerprinting.randomDataOnCanvasExtract
tofalse
privacy.resistFingerprinting.autoDeclineNoUserInputCanvasPrompts
tofalse
References
- https://support.mozilla.org/en-US/questions/1296571
Photo by Keagan Henman on Unsplash