Landing Page Experiment Log
Testing fails when memory replaces records.
What changes when you build this
The gaps you're living with today,
and what this tool fixes.
Problems
- Experiment history is scattered across Notion docs, analytics notes, and Slack threads, so teams repeat tests they already ran 2-3 months ago
- Traffic splits drift after manual edits, turning a planned 50/50 test into an invalid 80/20 result within days
- Design, copy, and growth approvals happen in separate channels, delaying launches by 4+ business days
- Teams call winners from small samples because no one tracks confidence criteria in the same place as conversion data
- Losing tests are not archived with reasons, so the same failed idea returns every quarter
Solutions
- One experiment record stores hypothesis, variant setup, traffic split, and outcome so prior learnings are reusable
- Split integrity checks flag experiments when traffic distribution drifts beyond the defined tolerance
- Approval status is tracked on each experiment row, making blockers and pending owners visible instantly
- Confidence thresholds are logged per test so results are evaluated against clear decision rules
- Every finished experiment is tagged as won, lost, or inconclusive with notes, preventing repeat mistakes
What the data model looks like
Refine generates this table structure from your
prompt. Edit columns, types, and relationships after.
100%
Mistakes to avoid
These are the failure patterns teams hit most often
when building this.
Hypotheses written too vaguelyFix: Require a clear expected outcome and primary metric before an experiment can move to Ready.
Hypotheses written too vaguely
Fix:Require a clear expected outcome and primary metric before an experiment can move to Ready.
Traffic split drifts mid-testFix: Alert when actual split deviates more than your tolerance and pause decision-making until corrected.
Traffic split drifts mid-test
Fix:Alert when actual split deviates more than your tolerance and pause decision-making until corrected.
Approvals blocking launchFix: Set approval SLAs by role and auto-escalate experiments waiting beyond threshold.
Approvals blocking launch
Fix:Set approval SLAs by role and auto-escalate experiments waiting beyond threshold.
Declaring winners too earlyFix: Attach minimum sample size and confidence rules to each test and block status change until criteria are met.
Declaring winners too early
Fix:Attach minimum sample size and confidence rules to each test and block status change until criteria are met.
No record of failed testsFix: Require a closeout note for lost or inconclusive tests so future teams can reuse the learning.
No record of failed tests
Fix:Require a closeout note for lost or inconclusive tests so future teams can reuse the learning.