Clearing Browser Cache

What is browser cache? Why do I need to clear the cache to see changes?

When a visitor opens up a web site in a web browser, the browser displays a copy of the web page on the visitor's computer. In order to avoid constantly downloading the elements of this web page (e.g., the textual content, any pictures, and other supporting items like menus, etc.) over and over again, the web browser will store a local copy of the web page elements for a certain amount of time. This is called storing the web page in "cache".

When CLS completes a change request, such as updating a picture or adding a menu item to your web site, you may not see the changes right away. This is because the browser still has a copy of the old element in the web browser's cache. These instructions were generated to help you clear your browser's cache to ensure that you see the requested changes.

To clear your browser's cache, locate below the instructions pertaining to your particular browser. Note that sometimes, restarting the browser after following these instructions may be required.
Microsoft Internet Explorer (IE)

Using the Menu System (IE 8 on Windows 7)
  1. In the upper-right corner, click on "Tools".
  2. Select "Internet Options".
  3. Under the "General" tab, find the "Browsing history" section and click on "Delete".
  4. Make sure that "Temporary Internet files" is checked. The other items are up to you.
  5. Click on "Delete". Depending on how much Internet browsing has been done through IE, clearing browsing data can take a few minutes.
  6. Close "Internet Options" by clicking on "OK".
  7. Reload the website in question.
Shortcut
  1. Hold down the following keys together: [CTRL][F5]
  2. Alternatively, you can also try holding down [CTRL] while clicking on the "Refresh" button in the address bar.


Mozilla Firefox

Using the Menu System (Firefox 3)
  1. In the toolbar at the top, click on "Tools".
  2. Select "Clear Recent History".
  3. Make sure that the "Details" are viewable. If they are not, click on the button with the down arrow next to "Details."
  4. Make sure that "Cache" is checked. The other details are up to you. For "Time range to clear:", we recommend "Today" or "Everything" but the period may vary depending on when the last time the website in question was visited.
  5. Click on "Clear Now". Depending on how much Internet browsing has been done through Firefox, clearing browsing data can take a few minutes.
  6. Reload the website in question.
Shortcut
  1. To clear the cache and reload the page in question, go to the webpage in the browser and hold down the following keys together:
    Windows: [CTRL][SHIFT][R]
    MacOS: [Cmd][SHIFT][R]
  2. Alternatively, you can also try holding down [SHIFT] while clicking on the "Reload current page" button.


Google Chrome

Using the Menu System
  1. In the upper-right corner, click on the button with three horizontal lines "Customize and control Google Chrome".
  2. Select "Settings".
  3. Click on "Show Advanced Settings"
  4. Under the Privacy section, click on "Clear browsing data..."
  5. Make sure that "Cached Images and Files" is checked. The other items are up to you. For "Clear data from this period:", we recommend "Last week" but the period may vary depending on when the last time the website in question was visited.
  6. Click on "Clear browsing data". Depending on how much Internet browsing has been done through Chrome, clearing browsing data can take a few minutes.
  7. Reload the website in question.
Shortcut
  1. Hold down the following keys together: [CTRL][SHIFT][DEL]
  2. Follow steps 4+ from above.


Apple Safari

Shortcut
  1. To clear the cache and reload the page in question, go to the webpage in the browser and hold down the following keys together:
    MacOS: [Cmd][SHIFT][R]




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