Motivated by T334411: Positive Reinforcement: investigate difference in mobile activation, let's have a closer look at the client-side and server-side performance characteristics of the new impact module, so that we can understand if that has something to do with differences in activation.
Client-side (from initial analysis in T336198#8834652):
- Document what these additional requests are about
- it is surprising that the Vue implementation is more than double the load time for the non-Vue implementation. Figure out where/what/why
- Document why the Vue implementation results in less data transfer and significantly faster load time than non-Vue implementation
- Run Excimer for Special:Homepage as a user opted-in to control and oldimpact groups, and compare