Don't know how to clear the browser cache (Firefox, Chrome, Opera, Microsoft Edge ...) (Safari)

1. Select Edit from menu bar and click Empty Cache;
   
   

   
   
   

2. Click Empty to confirm.
   
   

   

Pressing Ctrl+Alt+E while Safari is open in Windows will clear the browser's cache.

In order to clear the cache, you need to enable the Develop option first:

1. Click Safari and select Preferences;
   
   

   
   
   

2. Select the Advanced tab and check (tick) the Show Develop menu in menu bar. Then quit Safari;
   
   

   

To clear the cache, open Safari, click on Develop and select Empty Caches;

Temporary (temp) files, are files created to temporarily contain information while a new file is being made. After that, they are useless and occupy space. A few of them don't pose a threat; however, as time goes by, they can occupy significant amount of space, and slow down your mobile device.

To delete temp files and clear the cache, go to:

Settings -> General -> Usage -> Manage Storage -> Tap an item in Documents and Data -> Slide unwanted items to the left and tap Delete -> Tap Edit -> Delete All, to remove all the application's data (or install iCleaner or other similar applications, which you can find in App store)

One the latest iOS versions (starting from version 9):

Follow these steps to clean out unwanted data from iOS:

1. Tap on Settings, select General and tap on Storage & iCloud Usage;
2. Tap on Manage Storage;
3. Tap on an item in Documents and Data;
4. Slide unwanted items to the left and tap on Delete;
5. Tap on Edit and Delete All to remove all the app's data,
   
   

Note: The easiest way to clear the cache files is to install applications like Remo MORE, or Battery Doctor, which you can find and download via App store. Make sure to clear the cache at least once a week.

Temporary (temp) files are files created to temporarily contain information while a new file is being made. After that, they are useless and occupy space. A few of them don't pose a threat; however, as time goes by, they can occupy significant amount of space, and slow down your mobile device.

To delete temp files and clear the cache:

• On a phone which runs on Windows 8.1 OS:

From the apps list (swipe to the left) and go to Storage sense. Then, select Phone, Temporary files and tap on Delete.

• On a phone which runs on Windows 8 phone OS:

From the apps list (swipe to the left) and go to Settings. Then, tap on Phone storage, then on Temporary files and tap on Delete.
* Alternatively, you can go to Settings -> Storage check -> tap on clear under Temporary files).

Note: You can download and install Cache Cleaner Pro from Microsoft's Store and erase your "footprints", clean up garbage including cache, browser history and other search history.