Enhanced Feature Flag Rollout Simulator

Multi-variate rules, local SDK caching vs server latency, SSE streaming, and statistical A/B/C confidence.

t = 0.0s

Speed Seed

Preset Scenarios

SDK & Server Config

Evaluation Mode

Sync Model

Polling Interval 10s

Server API Latency 50ms

Multi-variate Rollout

Control variant allocations. Remaining users serve as Control.

Variant V1 (New Layout) 15%

Rollout

Conversion 3.5%

Err Rate 2%

Load Time 220ms

Variant V2 (Different CTA) 0%

Rollout

Conversion 1.5%

Err Rate 15%

Load Time 150ms

Variant V3 (Discount Offer) 0%

Rollout

Conversion 4.5%

Err Rate 3%

Load Time 280ms

Control (Original) Rollout %: 85%

Conversion: 2.0% Err: 1% Load: 180ms

Segment Targeting

Internal (V1) Beta testers (V3) Premium External

Prerequisites

V3 requires V1

Kill Switch

Overrides all rollout percentages and targeting rules immediately, forcing all users to Control experience.

Trigger Events

Internal Beta Premium External Control V1 V2 V3

Live Metrics

Avg Load Time

180ms

Error Rate

0.0%

Stale SDK Caches

0 / 100

Total Requests

Variant A/B/C Test Performance

Variant	Alloc %	Convs	Err %	CR %

Statistical Significance (vs Control)

Confidence intervals and significance using standard Z-test (95% threshold).

Variant	95% CI	Conf %	Result

System State

Entity	State	Detail

Inspector

Hover or click an entity

Tip

Click a user dot, the flag service, or an app instance to inspect internal state variables.

Drag Nodes

You can click and drag nodes on the canvas to custom layout the diagram.