While this is a great idea that no-doubt does help some people, beware this doesn't clean up all traces in the browser, and private/incognito is better at not keeping a history.
For example, there is a favicon cache in firefox.
If you query favicons.sqlite in your profile directory:
select * from moz_pages_w_icons order by id desc limit 10;
Then you can see a recent history that isn't cleared up when you just clear history like this.
For example, there is a favicon cache in firefox.
If you query favicons.sqlite in your profile directory:
Then you can see a recent history that isn't cleared up when you just clear history like this.