You had me until the end. I still see significant lag and mismatches on Facebook's page from simple actions like pulling up my notifications or loading a commen

You had me until the end. I still see significant lag and mismatches on Facebook's page from simple actions like pulling up my notifications or loading a comment from one of them. For the later, I see it grind its gears while it loads the entire FB group and then scrolls down a long list to get to the comment I want to see. (This is on a Macbook Air from 2015, but these are really simple requests.)