I explained a bit about PMTiles in this comment: https://news.ycombinator.com/item?id=41636376 https://news.ycombinator.com/item?id=41636376 In summary, on a c

I explained a bit about PMTiles in this comment: https://news.ycombinator.com/item?id=41636376 https://news.ycombinator.com/item?id=41636376 In summary, on a cold start (so now when it's on HN it might be totally meaningless), the following page loads in like 8-10 sec for me: https://pmtiles.io/?url=https%3A%2F%2Fdata.source.coop%2Fprotomaps%2Fopenstreetmap%2Ftiles%2Fv3.pmtiles#map=4.18/47.77/13.67 https://pmtiles.io/?url=https%3A%2F%2Fdata.source.coop%2Fpro... Technically why it's slow is entirely on CloudFlare, so I can only guess. But probably they are not mirroring files of this size across their datacenters / servers. I don't know how their public buckets hosting is done, but it's definitely very slow. OpenFreeMap on the other hand seems almost instant for me.