Vetted Score
4.6
/ 5.0
Earns a solid score for its ease of use, tight GA integration, and zero cost, though limited features and eventual deprecation affect its long‑term value.
Key Features
Visual Editor for Experiments
Create and modify test variants directly on your website without needing code changes.
Integration with Google Analytics
Leverage existing GA data to segment audiences and measure experiment impact seamlessly.
Basic Targeting Rules
Define audience segments based on URL, device, geography, and custom dimensions for precise testing.
Frequently Asked Questions
Google has announced that Optimize Legacy will be phased out; existing experiments continue to run, but no new features or support are provided.
Yes, it works with any website that can embed the provided JavaScript snippet, making it CMS‑agnostic.
No, the legacy version is entirely free with no usage caps, though advanced targeting and personalization were limited compared to newer solutions.
Featured Lists & Comparisons
Specifications
Pricing Model
Completely free with basic A/B testing and personalization features; no paid tiers were offered before deprecation.
Supported Platforms
Web (any modern browser)ChromeFirefoxSafariEdge