From time to time, you may be advised to clear your cache, cookies, and browsing history to improve the performance of your internet browser.

In the Chrome browser:

Click on the Settings menu (3 dots) in the top right

Click on Settings

On the left side, click Privacy and security

Under the Privacy and security section click Clear browsing data

A new dialogue box will open

Click Basic

Select the period to delete from in the Time range drop down menu
(To clear all cached data and cookies, select All time, this is recommended)

Ensure check boxes and Cookies and other site data and Cached images and files are ticked

Click on Clear Data and wait for that dialogue box to exit

Close all open Chrome instances and therefore all tabs

For further information on how to manage Chrome data on your computer, visit
Google Account Help - Clear cache & cookies.