Nothing. But you are already at a disadvantage because Cloudflare has seen far more real jitter data and you are up against that. It might work in the short ter

Nothing. But you are already at a disadvantage because Cloudflare has seen far more real jitter data and you are up against that. It might work in the short term but after a while you start showing pretty obvious patterns. There's also a great variety of jitter data on specific websites or layouts that would be very easy to catch someone artificially emulating jitter