At the WebExpo Conference in Prague, I delivered this talk with a behind the scenes look at how WebPageTest's experiments really work.
View here: https://slideslive.com/39000633/experimenting-with-performance-at-the-edge
By the way... I am currently exploring work opportunities for 2024! If you think I might make a good addition to your team, whether full-time or as an independent contractor, please reach out.