Googlers hate it! This one weird trick lets websites dodge Chrome 76's defenses, detect you're in Incognito mode
https://www.theregister.co.uk/2019/08/05/chrome_incognito_mode_fix_falls_flat/
A week ago, Google released Chrome 76, which included a change intended to prevent websites from detecting when browser users have activated Incognito mode.
Unfortunately, the web giant's fix opened another hole elsewhere. It enabled a timing attack that can be used to infer when people are using Incognito mode.