Reactivity Data Initial Page View SS Delayed Delayed Quick CS Instant Delayed Super Slow It depends on what kind of site

Reactivity Data Initial Page View SS Delayed Delayed Quick CS Instant Delayed Super Slow It depends on what kind of site you are optimizing for. If you run a site you expect to see someone only for a few minutes go with SS. If you expect them to stick around, like they are checking statuses and updates, CS is better for user experience. It's not impossible to have CS with lighter components too, but generally apps that have had a longer lifetime and revisions will get heavyweight components.