Experiment Variation Types
Conversion Workers supports multiple experiment variation types — all delivered at the edge. This lets you test everything from small UI tweaks to full platform migrations, without flicker, performance penalties, or technical debt.
Foundation
Control Variations
Explicit control groups with guaranteed tracking and attribution.
- Explicit assignment
- Always-on tracking
- Clean analytics
Injections
JavaScript Variations
Edge-injected JavaScript without vendor bloat or flicker.
- UI interactions
- Feature toggles
- Analytics logic
Injections
CSS Variations
Fast, safe visual testing with zero JavaScript execution.
- Layout & spacing
- Typography & colour
- Responsive design
Injections
HTML Variations
Rewrite page structure before it reaches the browser.
- Section reordering
- Component injection
- Content experiments
Composite
Mixed Variations
Combine JS, CSS and HTML into one consistent experience.
- No race conditions
- Atomic delivery
- Complex experiments
Redirects
Redirect Variations
Network-level redirects with zero latency and full attribution.
- Landing pages
- Funnels
- Campaigns
Swaps
Rewrite Variations
Serve an entirely different backend or page on the same URL.
- Server-side swaps
- Replatforming
- Risk-free rollouts
Swaps
File Swaps
Swap individual files or assets at the edge during experiments.
- Images
- CSS files
- JavaScript bundles
Governance
No-Code to Full-Code
Run experiments at the right level for every team.
- No-code & low-code
- Developer control
- Enterprise governance