It's easy to use, it has an intuitive interface that makes you feel comfortable right away! I love how simple everything works out-of-the box without any need for configuration or additional tools required from me as admin user - just click "Start" button which does all magic behind the scenes. The only issue we had was related to our server speed but this problem could be solved by increasing its capacity according to their support team recommendations. We have been using agent slug since 2014 so far in order to monitor my clients websites' performance status at regular intervals during business hours.