After it emerged that ISPs were 'cheating' at speedtest.net with local test servers, fast.com was a huge relief. But then: https://speed.cloudflare.com/ https:

After it emerged that ISPs were 'cheating' at speedtest.net with local test servers, fast.com was a huge relief. But then: https://speed.cloudflare.com/ https://speed.cloudflare.com/ has emerged which also appears to be cheat free and shows lots more detail.