The IPFS mirror really gives a substantial performance boost. In the past, the files had to be fetched from a tired server far away in Russia, the speed can be as low as 0.5 Mbps in my experience (depends on your ISP and connectivity), now it can be lightning fast thanks to P2P, 2 Mbps+, more than adequate to download a 100 MiB+ file. You don't even have to install IPFS (but you probably should, to maintain decentral…
Is that unusual?