# Angular Services, providedIn and Lazy Modules

DevFeed: [Angular Services, providedIn and Lazy Modules](<https://devfeed.tech/articles/angular-services-providedin-and-lazy-modules-21380.md>)

Original publisher: [Read original article](<https://juri.dev/blog/2021/04/angular-di-and-lazy-modules/>)

Published: 2021-04-20T00:00:00Z

Content type: tutorial

Language: en

Sources: [Juri Strumpflohner](<https://devfeed.tech/sources/juri-strumpflohner.md>)

Topics: [Angular](<https://devfeed.tech/topics/angular.md>), [Dependency injection](<https://devfeed.tech/topics/dependency-injection.md>), [modules](<https://devfeed.tech/topics/modules.md>)

Tags: [angular](<https://devfeed.tech/tags/angular.md>), [dependency-injection](<https://devfeed.tech/tags/dependency-injection.md>), [lifecycle](<https://devfeed.tech/tags/lifecycle.md>), [modules](<https://devfeed.tech/tags/modules.md>), [providers](<https://devfeed.tech/tags/providers.md>)

## AI overview

This tutorial explains Angular dependency injection with services and lazy-loaded modules. It discusses how service registration affects availability, lifecycle, tree shaking, bundle size, and injector scope, including the providedIn approach and module providers.

## Source excerpt

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