Some days ago access site and download very very slow.
observe as given aria2 when is download compilers.
SIZE:123.3MiB/873.6MiB(14%) CN:1 SPD:111.5KiBs ETA:1h54m46s]
All other site i have minimum between SPD:680.5KiBs / SPD:900 KiBs or more.
Maybe.... add message to your link page download (required machine Redundant Power)
Access http ,https (slow)
For me tcpdump give a part where slow routed is here (cache AKAMAI)
inetnum: 126.96.36.199 - 188.8.131.52
descr: Akamai International B.V.
status: ASSIGNED PA
source: RIPE # Filtered