Google Optimize 360

Google globally launching optimize 360 a free version for testing and personalization product that was introduced as part of the Analytics 360 Suite.

Optimizer 360 merge with google analytics to provide a feedback loop on performance. Its also allow you to run A/B multivariate tests. It is fully designed to give enterprises a truly integrated package of marketing analytics and optimization tools. It is released in beta testing phase and fully version will be releasing soon. 

Google Optimizer 360 has given your team a power and flexibility to implement tests across your entire site and it will reduce the amount of time it takes to launch a test from a few days to a few minutes.. 

More Details - Official Link