The actual load test is from Netflix’s servers and Netflix’s domains. Open up the network tab in your browser debugging tool when running a speed test on fast.com and you’ll see.
Netflix created fast.com to prove that some ISPs were throttling Netflix and hold them accountable towards their customers.
Fast.com is a separate domain, I don’t think the ISP would have any trouble throttling only Netflix.com without fast.com.
The actual load test is from Netflix’s servers and Netflix’s domains. Open up the network tab in your browser debugging tool when running a speed test on fast.com and you’ll see.
Netflix created fast.com to prove that some ISPs were throttling Netflix and hold them accountable towards their customers.