Check your upload
headroom for streaming.
Measure upload speed, ping, jitter and loaded latency—then turn the result into a conservative OBS bitrate starting point for Twitch, YouTube or Kick.
What are you trying to send?
Your platform and output target determine how much stable upload capacity the stream needs.
Uses up to roughly 50 MB of test traffic. Avoid mobile data. Bitrate baselines assume manual H.264/AVC streaming. Cloudflare processes measurement requests at its edge; final results are calculated in this browser and are not sent to or stored by StreamerToolkits.
Test the upload, not the sales pitch.
ISP plans lead with download speed. A stable live stream depends on repeatable upload capacity and what happens to latency while the connection is busy.
Your local headroom.
Upload capacity, ping, jitter and latency while the route is busy. That is enough to reject an unrealistic bitrate target and choose a safer first profile.
Your exact ingest route.
Twitch, YouTube and Kick can take different network paths. Confirm the recommendation with a private or unlisted stream and the platform’s own health tools.
Peak speed is not operating speed.
Twitch’s current FAQ recommends upload speed equal to bitrate plus 30%. We use a conservative starting budget, then ask you to prove it under real motion.
This is a browser-to-Cloudflare capacity test—not a Twitch ingest test. Use Twitch Inspector or your platform’s stream-health view for the next layer of evidence.