99% of my projects have grown revenue as I specialize as well in ecommerce and retail, from checkout to accounts and lists.
User Testing that wins.
From tree-testing to card sorting, the use of LLMs with both qualitative testing and quant has been insane, and so are the results.
You, first.
MRR and improving deal pipelines are my core KPIs, but your satisfaction is number one for me. Using tools such as Asana, I help track my results weekly.