Netflix created Fast.com in 2016.
It measures download speed to Netflix's own CDN servers — the same servers delivering your Netflix shows.
It does NOT measure your full internet speed — just Netflix's path.
✅ Download speed — shown
❌ Upload — hidden (click for more)
❌ Jitter — not measured at all
❌ Packet loss — not measured
❌ Neutral server — Netflix CDN only
Netflix CDN only • Download only • No jitter
vs DCSpeedTestCloudflare neutral • All 5 metrics • No ISP bias
Fast.com shows 400 Mbps but YouTube buffers?
→ Your ISP optimizes Netflix but throttles other traffic
Fast.com shows LESS than DCSpeedTest?
→ Your ISP may be throttling Netflix specifically
Document with timestamps → report to FCC at consumercomplaints.fcc.gov
Download + Upload + Ping + Jitter — Cloudflare neutral network. Zero ISP bias. 15 seconds.