This document provides tips and tools for improving Angular application runtime performance. It discusses measuring performance using Benchmark.js, Chrome Dev Tools profiler, and @angular/benchpress. Specific optimizations covered include using the Ivy renderer, lazy loading modules, pre-rendering with Angular Universal, caching requests with service workers, immutable data structures, memoization, trackBy in *ngFor, virtual scrolling, RxJS operators, and controlling change detection. The document aims to help developers measure and improve the runtime performance of their Angular applications.