While running my create-react-app website on web.dev to see the lighthouse results, I noticed that they weren't exactly good. 
However, when I run lighthouse on my system with these settings:
I get better results:
Note that I am running local lighthouse in incognito.
Is it IndexedDB that is making my results better? If so, how can I stop IndexedDB from doing so?
Also, just as a side note (this doesn't really need to be answered) are these results okay? It's a PWA so everything would be cached afterwards. Thanks!