its possible that your ISP has a bad peering connection. Checking with your ISP usually helps understand what is going on. It could be the bandwidth limitation

its possible that your ISP has a bad peering connection. Checking with your ISP usually helps understand what is going on. It could be the bandwidth limitation of your ISP itself. Sites like Github are slow when accessed from few countries. It's just that their servers are located mainly in the US(afaik).