the facebook app used to be slow partly due to the fact that the devs working on it had no idea what they were doing (at the time, Facebook really stepped up th

the facebook app used to be slow partly due to the fact that the devs working on it had no idea what they were doing (at the time, Facebook really stepped up their game lately). The dev team at my ex company built a demo to show that the same app could have been made to perform acceptably using the right strategies. https://www.sencha.com/blog/the-making-of-fastbook-an-html5-love-story/ https://www.sencha.com/blog/the-making-of-fastbook-an-html5-...