First, quickly set up Google Analytics (or other relevant service) tracker code inside your HTML files ASAP and then monitor the web traffic; Show the Google Analytics data to your Lab TA on Monday, 06 March 2017 to convince him that you have (some) visitors other than yourself... To encourage more visitors, if you know anyone in the actual CS3233 class (current or past students), ask them to visit your ranklist app, get their feedback (if any), and tell those feedback to your Lab TA.