Test Library
Your Single Source of Truth
Stop losing insights across scattered tools. Every A/B test your team has ever run, organized, searchable, and ready to inform your next experiment. Instantly find past results by name, tag, site section, or outcome.
Key Capabilities
- Save and organize every test with hypothesis, metrics, and learnings
- AI-powered semantic search to find related experiments instantly
- AI-powered Quick Import from text, screenshots, or CSV
- Multiple views: by site section, metric, outcome, or timeline
Test Insights & Patterns
Learn What Actually Works
Surface patterns across your entire testing history. See which page types, test categories, and strategies consistently win. Turn individual results into compounding knowledge that makes every new test smarter.
Key Capabilities
- Pattern detection across categories, page types, and outcomes
- Win rate analysis with confidence levels and evidence counts
- Cluster insights to spot hidden trends in your data
- Leaderboard ranking test patterns by success rate
Pre- & Post-Test Calculators
Validate Before You Launch, Interpret With Precision
Plan tests with the right sample size and duration. After the test, get rigorous statistical analysis including significance testing, Bayesian probability, SRM detection, and power analysis. No more guessing.
Key Capabilities
- Sample size calculator with MDE and feasibility verdicts
- Post-test significance with Z-test, Bayesian, and confidence intervals
- SRM detection and post-hoc power analysis
- Business impact calculator with revenue projections
Organization & Search
Find Any Test in Seconds
Tag, filter, and search your tests with precision. AI auto-tagging suggests categories based on your hypothesis. Semantic search catches duplicates before you waste traffic running the same experiment twice.
Key Capabilities
- Filter by category, site section, primary metric, or date range
- AI auto-tag suggestions based on hypothesis text
- Semantic duplicate detection before saving new tests
- Custom tags and flexible categorization
Iteration & Recommendations
AI-Powered Next Test Ideas
Never run out of high-impact test ideas. Based on your results, testing history, and industry patterns, GrowthLayer suggests what to test next. Turn every completed experiment into a springboard for the next one.
Key Capabilities
- AI-generated follow-up test ideas based on your results
- Gap analysis to identify untested areas of your site
- Industry pattern library with 100+ proven test ideas
- Prioritized recommendations based on your testing history
Integrations
Connect Your Existing Tools
Bring in data from the tools you already use. Import experiments from Optimizely, connect analytics from Google Analytics or Adobe, and export results anywhere. GrowthLayer fits into your existing workflow.
Key Capabilities
- Optimizely experiment import with one click
- Google Analytics and Adobe Analytics connection
- CSV import and export for any data source
- API access for custom integrations (Team & Enterprise)
Reporting
Share Results With Stakeholders
Generate clean, shareable reports that stakeholders actually read. Share test results via link with a polished read-only view. Copy formatted summaries for Slack, email, or presentations.
Key Capabilities
- Shareable read-only links for any test result
- Copy as formatted text for Slack, email, or docs
- Visual charts for conversion rates and confidence intervals
- Executive-friendly summaries with clear recommendations
Built for CRO Professionals
Whether you're a solo optimizer or leading an enterprise experimentation team, GrowthLayer scales with your program.