# Cache Ionicons PWA

**URL:** <https://forum.ionicframework.com/t/cache-ionicons-pwa/178788>\
**Category:** Ionic Framework\
**Created:** [December 1, 2019, 10:53pm UTC](https://forum.ionicframework.com/t/cache-ionicons-pwa/178788 "2019-12-01T22:53:01Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jffs](https://avatars.discourse-cdn.com/v4/letter/j/90ced4/32.png) [@jffs](https://forum.ionicframework.com/u/jffs)\
**Post date:** [December 1, 2019, 10:53pm UTC](https://forum.ionicframework.com/t/cache-ionicons-pwa/178788/1 "2019-12-01T22:53:01Z")

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I was wondering if someone can help me. Im developing a PWA using Ionic + Angular and hosting it using Firebase. The fact is when i lose internet, ionic icons desapired… I can’t figuered it out how to modify my ngsw-config.json to get it works…