How to: a/b test ?

Google optimize:

https://marketingplatform.google.com/intl/fr/about/optimize/

Tuto:

- YouTube

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

https://youtu.be/5TJaR9U1dq4

- YouTube

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

https://youtu.be/66Fwki3dgZ0