Suddenly your once small website has grown and there are tens of thousands of users or more! I’ll run through things you should do to ensure your growing web application remains at peak-performance so that users have a fantastic experience on your site. This talk is for the developers who build medium to large, complex WordPress sites that might handle a lot of users and interactions. We’ll go over 1) performance tips to keep your server fast, 2) development workflow optimizations to keep your team deploying continuously, and 3) UX and design pointers to make your website/app look and FEEL fast, even when it’s not.