How is this different from Google Optimize?

Google Optimize was sunset in 2023. Experiment Flow is a modern replacement with better multi-armed bandit support, faster setup, and more affordable pricing.

Do I need to install anything?

Just add one script tag to your site. No npm packages, no build steps, no dependencies.

How does statistical significance work?

We use two-proportion z-tests with 95% confidence intervals. Results only show as significant when there is less than 5% chance the difference is due to randomness.

Can I use this server-side?

Yes. The REST API works with any language. There are official SDKs for Node.js, Python, Go, and Ruby.

Privacy Policy

Last updated: January 2024

Information We Collect

When you use Experiment Flow, we collect:

Account information (email address) when you register
Experiment data including visitor IDs (anonymous), variant assignments, and conversion events
Usage data about how you interact with our dashboard

How We Use Information

We use collected information to:

Provide and maintain the Experiment Flow service
Calculate statistical significance for your experiments
Improve our service and develop new features
Communicate with you about your account

Data Retention

Experiment data is retained for the duration of your account. You can delete experiments and associated data at any time through the dashboard.

Third-Party Services

We do not sell, trade, or transfer your data to third parties. We may use third-party services for hosting and analytics that process data on our behalf.

Cookies

The Experiment Flow SDK uses localStorage to store visitor IDs. No cookies are required. The dashboard may use session cookies for authentication.

Your Rights

You have the right to access, correct, or delete your personal data. Contact us at [email protected] for any requests.

Contact

For privacy-related inquiries, contact us at [email protected]