Step 1. When on the Digital Surge site, right click your mouse and select 'Inspect'
Step 2. From the top menu select 'Application'
If the window opens as a smaller size this will be in the drop down menu
Step 3. Under the heading 'Application' on the left, select 'Storage'
Step 4. Click the button that says 'Clear site data'
When this is done it will clear the chart and have the total on the right as 0
Step 4. Click the small x at the top right of the Inspect screen to close the window
Once complete, the cache for the site has been cleared.