Algorithm for multivariate A\B testing

Question

User interface

Hello. The situation is as follows: there is a simple site. It is necessary to conduct multivariate A / B testing on it. The question is how to achieve a more or less even distribution of options?

Answer 1

What is wrong with the Google Analytics toolkit?

Answer 2

Does this apply to all third party services? Then you have to write the script by hand.

Answer 3

Do you track unique visitors in any way at all?
you can track each unique visit as a numeric value, and then divide by even / odd numbers and show page options accordingly.