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1. Add to <head> (prevents flicker โ€” optional but recommended)


      
      

      

2. Add just before </body>


      
      
    

Your Experiments

Clients

Create a login for a client here, then assign them to experiments above (or reassign anytime from the "Your Experiments" table) so they can see just their own results at .

Add a client

Find a selector on the page

Drag this to your bookmarks bar. Then, while on the actual client page (e.g. cantsaythat.co.uk/shop), click the bookmark, then click any element โ€” its selector gets copied to your clipboard so you can paste it below.

๐ŸŽฏ AB Selector Picker

Create Experiment & Add Variant

1. Create Experiment

2. Add Variant
3. Make Changes
4. Add Goals (optional)

3. Preview & Manage Variants

4. Start / Pause Experiment

5. View Results

Bayesian Analysis (which variant is actually winning, and how sure we can be)

Instead of just a raw percentage, this treats each variant's true conversion rate as uncertain and narrows that uncertainty as data comes in โ€” so a 20% lead from 10 visitors and a 20% lead from 10,000 visitors don't look equally convincing. "Probability best" is the chance that variant is genuinely the top performer, not just ahead by chance.

Recent Activity (raw events, most recent 20 โ€” useful for confirming events are arriving at all)

Load results above to see recent activity.