Google Optimize Unleashed?
- SEO |
All Under One Roof with Google Optimize and Google Analytics | Testing & Usability
goes over about that....
and you can get a great beginners guide over at
Getting Started with Google Optimize | LunaMetrics
It's a free signup over at
https://www.google.com/analytics/optimize/
and at first glance, appears to be quite helpful.
Enjoy!