It stops browser to store a porn website visit in history.It is really hard to delete history after every time you watch porn. Autolete is the one-stop solution for this problem. No need to worry, browser will not store your porn surfing history.
This works only when your browser's web sync is off
In browser visit
chrome://settings/syncSetup
to switch it off (if on)
&
sign-out from your Google account at
chrome://settings/
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For Firefox: