Most of this advice is not just for Angular development. It's also a bit thin... Suggested reading from Steve Souders, some of this is a bit older, but most still applies. Some of the DOM quirky issues are significantly different, but general optimizations and suggestions around actually testing for performance metrics apply. High Performance Web Sites: https://www.amazon.com/gp/product/0596529309 Even Faster Web Sites: https://www.amazon.com/Even-Faster-Web-Sites-Performance/dp/0596522304 Steve Souders' Blog: https://www.stevesouders.com/blog/ Beyond this, there's also the issues of perceived performance, you can actually be too fast, when people expect a spinner or loading screen, they may not believe something is actually done. There are a lot of counter-examples for performance in design. It's a matter of actually developing for some optimal paths without investing too much time before you need to.