Thanks for the detailed answer, VarunGrazitti
I understand that the move to v2 can often result in consolidating multiple calls into one. But is there an improvement expected even when replacing calls 1 on 1 (e.g. a new v2 call instead of a v1)?
I guess I'm trying to hone in on the "Faster processing" statement you are making. Even GTMetrix won't allow to measure it directly since the server side of page load is what I'm interested in.
So are v2 calls "processed faster"?
This is something which can be measured by the server waiting time in the waterfall model. Run a few tests and compare if your pages have a long waiting time. However, this is something that can be only checked at the page level and not at a component level, so you'll have to narrow down this to check your low performing components. We did not entirely moved all the components to v2, some of our components are still using v1 where we absolutely don't have an available v2 API, but it has improved a lot.
Waiting time corresponds to the processing which is being carried over on the server, so - it might definitely be worth exploring.
