When you use a browser, like Chrome, it saves some information from websites in its cache and cookies. Clearing them fixes certain problems, like loading or formatting issues on sites.
On your computer, open Chrome.
At the top right, click More More.
Click More tools and then Clear browsing data.
At the top, choose a time range. To delete everything, select All time.
Next to “Cookies and other site data” and “Cached images and files,” check the boxes.
Click Clear data.
Click Safari in the upper left hand side of your screen. In the menu that appears, click Preferences.
In the window that appears, click the Privacy tab. Click the button Remove All Website Data….
Click Remove Now in the pop up window that appears.
Click the menu button. and select Options.
Select the Privacy & Security panel.
In the Cookies and Site Data section, click Clear Data….
Remove the check mark in front of Cookies and Site Data.
With Cached Web Content check marked, click the Clear button.
Close the about:preferences page.