Click on it and that’s it!
If you’d like a faster way to clear your site cache, you can also use the CloudProxy API. Login to the CloudProxy dashboard and then click Settings -> API. There you will see a Clear Cache (CloudProxy API v1) button, click it and you will clear the cache using the CloudProxy API. You can then bookmark the page and any time you want to clear the cache you simply have to visit the bookmarked page.