Users may find that clearing a browser's cached files and cookies resolves many common
errors encountered with webpages and web apps. This step should be taken whenever
a webpage or web app is not performing or displaying as expected, or to troubleshoot
general browser performance issues.
How to clear the cache and cookies of the most common browsers:
Google Chrome
- Select the Menu icon (three vertical dots) in the top-right corner of the Chrome browser window
- In the drop-down menu, hover over More tools and select Clear browsing data
- Under the Basic tab, set the Time range drop-down box to All time
- Check only boxes for Cookies and other site data and Cached images and files
- Select Clear data
- Close all browser windows and re-open Chrome
Mozilla Firefox
- Select the Menu icon (three horizontal lines) in the top-right corner of the Firefox browser window
- Select History in the drop-down menu, then Clear Recent History
- Set the Time range to clear drop-down option to Everything
- Check all boxes on the page (Browsing & Download History, Form & Search History, Cookies,
Cache, Active Logins, Offline Website Data, and Site Preferences). Note: If you do not see check-boxes, select the drop-down arrow to the left of Details
- Select Clear Now
- Close all browser windows and re-open Firefox
Internet Explorer
- Select the Settings button (gear-shaped icon) in the top-right corner of the Internet Explorer browser
window
- Select Internet Options from the drop-down menu
- Under the General tab, select the Delete button under the Browsing History header near the bottom of the options window
- Un-check the Preserve Favorites website data box
- Check the boxes Temporary Internet files and website files, Cookies and website data, and History
- Select the Delete button
- Close all browser windows and re-open Internet Explorer
Microsoft Edge
- Select the Menu icon (three horizontal dots) in the top-right corner, then Settings
- Under Clear browsing data, select the Choose what to clear button
- Check only the boxes Cookies and saved website data and Cached data and files
- Select the Clear button
- Close all browser windows and re-open Edge
Safari (OSX)
- Select Safari in the upper-left hand side of your screen. In the new menu, select Preferences
- In the new window, select the Privacy tab and then the button Remove All Website Data
- Select Remove Now in the pop-up window
Safari (iOS)
- Launch the Settings app from the home screen of your iPhone or iPad
- Scroll down and select Safari
- Scroll to the bottom and select Advanced
- Select Website Data
- Scroll to the bottom again and select Remove All Website Data
- Confirm one last time that you'd like to delete all data