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Clearing Your Cache

Important: You should periodically clear your web browser's cache to allow your browser to function more efficiently.

 
Each time you access a file through your web browser, the browser caches (i.e., stores) it. By doing this, the browser doesn't have to newly retrieve files (including any images) from the remote web site each time you click back or forward.
 
A cookie is a file created by a web browser, at the request of a web site, that is then stored on a computer. These files typically store user-specific information such as selections in a form, shopping cart contents, or authentication data. Browsers will normally clear cookies that reach a certain age, but clearing them manually may solve problems with web sites or your browser.
 
A browser's history is a log of sites that you visit. When you press a browser's back button, you are moving back one entry in the history log. Browsers will normally clear the history at regular intervals, but you may want to clear it manually for privacy.Below are the instructions for clearing cache on computers using Windows and Mac operating systems and Mobile Devices. Please find your browser and follow the steps to clear your cache.
 

Clearing browser cache on Windows

 
Microsoft Internet Explorer 9.0
  1. Open Internet Explorer.
  2. Click Tools in the left menu bar (if opened) or click on the Gear icon in the right toolbar.
  3. Click Internet Options and choose the General tab.
  4. Click the Delete... button under the "Browsing History" section.
  5. Make sure you uncheck "Preserve Favorites Website Data" at the top of this window.
  6. Make sure you check all options below "Preserve Favorites Website Data".
  7. Click the Delete button. (Deleting files could take a while if you have a lot of files and history.)
  8. Click OK to close window.
Microsoft Internet Explorer 8.0
  1. Open Internet Explorer.
  2. Click Tools in the left menu bar (if opened) or click on Tools in the lower right menu bar.
  3. Click Internet Options and choose the General tab.
  4. Click the Delete... button under the "Browsing History" section.
  5. Make sure you uncheck "Preserve Favorites Website Data" at the top of this window.
  6. Make sure you check all options below "Preserve Favorites Website Data".
  7. Click the Delete button. (Deleting files could take a while if you have a lot of files and history.)
  8. Click OK to close window.
Mozilla Firefox 3.5-3.6
  1. Open Firefox.
  2. Click Tools in the upper toolbar and select Clear Recent History.
  3. Select the Time Range to clear (drop-down menu). 
    - Select Everything to clear all cache.
  4. Click Details to choose what history elements to clear. 
    -e.g. cache and cookies
  5. Click the Clear Now button.
  6. Exit and re-launch the browser.
Safari 4.0 & Up
  1. Open Safari.
  2. Click Tools in the left menu bar (if opened) or click on the Gear icon in the right toolbar.Select Reset Safari from the drop-down.
  3. Choose what history and other elements to clear.
  4. Click the Reset button.
  5. Exit and re-launch the browser.
Google Chrome
  1. Open Chrome.
  2. Click the Wrench Icon (Tools menu).
  3. Select Options.
  4. Select Under the Hood on the left, click Clear browsing data... in the "Privacy" section.
  5. Select the items you want to clear 
    - e.g., Clear browsing history, Clear download history, Empty the cache, Delete cookies and other site data. You can choose the period of time for which you want to clear cached information from the Clear data from this period drop-down menu. To clear your entire cache, select Everything.
  6. Click Clear browsing data.
  7. Close tab.
  8. Exit and re-launch the browser. 

Clearing browser cache on Macs

 
Safari 4.0 & Up for Mac OS X
  1. Open Safari.
  2. Click Tools in the left menu bar (if opened) or click on the Gear icon in the right toolbar.
  3. Select Reset Safari from the drop-down.
  4. Choose what history and other elements to clear.
  5. Click the Reset button.
  6. Exit and re-launch the browser.
  7. Safari 1.0 for Mac OS X
Open Safari.
  1. Click on Safari in the upper toolbar and Select Empty Cache.
  2. Click Empty on the Are you sure message box.
  3. Exit and re-launch the browser. 
Firefox 3.5 - 3.6 for Mac OS X
  1. Open Firefox.
  2. Click Tools in the upper toolbar and select Clear Recent History.
  3. Select the Time Range to clear (drop-down menu).
    - Select Everything to clear all cache.
  4. Click Details to choose what history elements to clear.
    - e.g. cache and cookies
  5. Click the Clear Now button.
  6. Exit and re-launch the browser.
Open Chrome
  1. Click the Wrench Icon (Tools menu)
  2. Select Options
  3. Select Under the Hood on the left, click Clear browsing data... in the "Privacy" section.
  4. Select the items you want to clear 
    - e.g., Clear browsing history, Clear download history, Empty the cache, Delete cookies and other site data. You can choose the period of time for which you want to clear cached information from the Clear data from this period drop-down menu. To clear your entire cache, select Everything.
  5. Click Clear browsing data.
  6. Close tab.
  7. Exit and re-launch the browser. 

Mobile Devices

 

Safari for iOS (iPhone, iPod touch, iPad)

To clear cache and cookies:

  1. From the home screen, tap Settings, and then tap Safari.
  2. At the bottom of Safari's settings screen, tap Clear cookies and data, or Clear Cookies and Clear Cache. Confirm when prompted. 
To clear history:
  1. From the home screen, tap Safari.
  2. At the bottom of the screen, tap the Bookmarks icon.
  3. In the lower left, tap Clear.
  4. Tap Clear History.
Android
  1. Start your browser.
  2. Tap Menu, and then tap More.
  3. Select Settings.
  4. Under "Privacy settings", select Clear cache, Clear history, or Clear all cookie data as appropriate, and then tap OK to accept (or Cancel to cancel) the deletion. 

Republished under Creative Commons license from Granite State College

Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.

 
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