So I don’t think anything like this is offered by Netlify. We would like to test two different versions of an ecommerce website – an old wordpress version vs. a Gatsby version with new design. I would need to talk to the team about specifics, but ideally we could split up traffic something like 70/30 and test conversions. This articles talks about how this agency has achieved something similar with nginx: https://www.viget.com/articles/split-test-traffic-distribution-with-nginx/.
I’m aware of Netlify’s default solution for split testing, but as we are dealing with a WP site on another server I was wondering if something like the above would be possible?