Often times you'd like to do a little A/B testing and run two or more studies side by side and direct your participants to a random study.
All you need to do is:
1. Copy and paste the snippet below into your page where you'd like a link to appear
2. Change the study URLs to your own, and add more to the comma separated list in the square brackets if you'd like to.
For more advanced customisation you probably want to speak nicely to a developer near you.
Here it is: