If you are on Wi-Fi, stop reading and plug in an Ethernet cable. The difference is 2 Mbps vs 45 Mbps.
PKGi resolves CDN URLs via DNS. Your ISP’s DNS will throttle or redirect these connections.
Better DNS for PS3 PKGi:
How to change: Settings > Network Settings > Internet Connection Settings > Custom > Manual DNS.
PKGi relies on TSV files (tables of game links). For a better install:
Bad TSV = missing games, wrong links, failed installs.