This book is a deep, systems-level exploration of performance in Angular applications. Instead of presenting isolated tips or checklists, it focuses on how performance emerges from the interaction between rendering, data flow, network behavior, and architectural decisions.

You will learn how Angular actually works under the hood—how change detection propagates, how templates execute, how data flows through reactive streams, and how these mechanisms impact real-world performance. The book reframes common techniques such as OnPush, lazy loading, caching, and debouncing as design decisions rather than simple optimizations.

It also connects frontend performance with backend and network behavior, showing how API design, payload size, and request patterns directly affect user experience before Angular even renders.

By the end, you will not just know how to fix slow applications—you will understand how to design systems that remain fast, scalable, and predictable as they grow.

Abdelfattah Ragab is an experienced software developer with over 20 years of experience in the field. In his long career, he has specialized in various aspects of web development, especially front-end technologies. He is known for his expertise in frameworks such as Angular and React, as well as his knowledge of HTML5 and CSS.

Abdelfattah is also a successful author who has written several books for beginners and experienced developers. His works include titles such as "Responsive Layouts: Flex, Grid & Multi-Column" and "Angular Shopping Store"," which provide a comprehensive insight into modern web development practices. These books cover not only basic concepts but also advanced techniques, making them valuable resources for anyone looking to improve their skills in web technologies.

With his publications, Abdelfattah aims to bridge the gap between theoretical knowledge and practical application. His books often include practical projects, such as developing e-commerce applications and integrating payment systems like Stripe, which help readers gain real-world experience. This approach reflects his commitment to providing his readers with a deeper understanding of web development.
In addition to his writing, Abdelfattah works as a front-end lead, which allows him to stay up to date on industry trends and best practices.