Keep your Indexed DB keys and values small if you want good performance

[Arathorn]

https://www.artificialworlds.net/blog/2024/01/24/keep-your-indexed-db-keys-and-values-small-if-you-want-good-performance/

[gregjor]

I think the actual lesson here is to use a real database, on a server. Counting 200K rows, even with long keys, takes less than a millisecond on a low-end MySQL instance.