In Chrome, your progress is cleared when these conditions is met.
- (a) clear browsing data,
- (b) "cookies and other site data" is selected,
- (c) timeframe is "from beginning of time".
In Firefox, your progress is cleared when these conditions is met.
- (a) user clears recent history,
- (b) cookies are selected to be cleared,
- (c) time range is "Everything"
In IE, to clear your data.
- (a) Tools--Internet Options,
- (b) General tab,
- (c) delete browsing history on exit,
- (d) ensure "Cookies and website data" (or "temporary internet files and website files") is selected,
- (e) consider unchecking "Preserve Favorites website data" at the top
In Safari, to clear your data.
- (a) Click Safari
- (b) General tab,
- (b) Preferences
- (c) Select the Privacy tab
- (d) Click Remove all website data