# \[PWA\] Service worker app cache duration

**URL:** <https://forum.ionicframework.com/t/pwa-service-worker-app-cache-duration/125400>\
**Category:** ionic-v3\
**Created:** [March 21, 2018, 3:51pm UTC](https://forum.ionicframework.com/t/pwa-service-worker-app-cache-duration/125400 "2018-03-21T15:51:54Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![robinyo](https://sea1.discourse-cdn.com/ionicframework/user_avatar/forum.ionicframework.com/robinyo/32/115964_2.png) [@robinyo](https://forum.ionicframework.com/u/robinyo)\
**Post date:** [May 29, 2018, 10:17pm UTC](https://forum.ionicframework.com/t/pwa-service-worker-app-cache-duration/125400/2 "2018-05-29T22:17:57Z")

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Have you had a look at Angular’s @angular/service-worker module?

See:

- [https://robferguson.org/blog/2018/04/16/0ptimising-the-performance-of-an-ionic-pwa-part-1/](https://robferguson.org/blog/2018/04/16/0ptimising-the-performance-of-an-ionic-pwa-part-1/)
- [https://angular.io/guide/service-worker-config](https://angular.io/guide/service-worker-config)

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