Have you wondered how much smaller the bundle size will get with the release of Angular 9? Have you already seen the promises of 25-40% reduction? Are they really true? These are the questions I’m going to try to answer in today’s article.

Angular size is a topic of many articles as it has a big impact on the performance of each web application. But instead of comparing Angular to different frameworks like it is usually done, today I’m going to compare the Angular bundle size of the latest Angular versions – 7 through 9. Before we get to the numbers, let’s talk about something very important – why the bundle size matters and at the same time why it is often difficult to estimate its impact on the Angular-based app.

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