It's not the refresh that screws you. It's the four goddamn dozen asyncrhonous calls it has to make after that refresh has completed to actually fill out the content of the page and let you click through stuff.
I have to load half a dozen tabs of new tickets and then cycle through them triaging and defining fields in a collated manner to make it so my time isn't hugely dominated by waiting.
We used to have on-prem and it was probably about an order of magnitude better, but still nowhere near "XP in a VM accessing a site on localhost" level snappy.
