Run and interpret an A/A test

Troubleshoot data discrepancies between Optimizely and your analytics tool

ai_cta

ai_identity

ai_chat

ai_product


Data set that refers to a person or a role and contains at least one address via which the person or role can receive messages.

recipient

Data freshness

exp-strategy-docs

Experimentation Strategy docs

Introduction to Optimizely Experimentation

Experimentation best practices

Metrics and analytics

Track events

APIs and desktop application

The Optimization Methodology

Get started

2026 Optimizely Experimentation strategy release notes

2024 Optimizely Experimentation Analytics release notes

2023 Optimizely Experimentation Analytics release notes

Experimentation strategy release notes

Results tools

Statistical concepts

Optimizely's experiment health status

Optimizely Reporting for Experimentation

Measure and analyze results

Mutual exclusion overview

Controlled traffic allocation ramping

Simpson's Paradox: Discover possibilities with your segments, not shipping decisions

History of how Optimizely Experimentation controls Simpson's Paradox in experiments with Stats Accelerator enabled

History of Stats Accelerator and multi-armed bandits

What to expect when you migrate from Optimizely Web Experimentation to Optimizely Feature Experimentation

Stats accelerator overview

Experimentation distribution methods

Maximize lift with multi-armed bandit optimizations

Experiment end-to-end with Optimizely Web Experimentation and Optimizely Feature Experimentation

Advanced strategies

Ideate and hypothesize

Account administration

Prevent Optimizely from being blocked by privacy-focused browsers and extensions

Request or delete data under the General Data Protection Regulation (GDPR) or California Consumer Privacy Act (CCPA)

Configure cookie and local storage consent

Data retention policy and FAQs

Filter bot and spider traffic from results

Governance and strategy

Experimentation MCP server

Slack notifications

Locate IDs for use with the Experimentation APIs

Open the developer console

Tools and utilities

Login issues

Ad blocker issues

Blocked by a firewall, ad blocker, or content filter

Test your experiments in Optimizely Experimentation

Troubleshoot and test

Experimentation strategy