> This might partly be due to the "one tab, one process" architecture. With site isolation/"Fission" it looks like this isn't going to get any better in Firefo

> This might partly be due to the "one tab, one process" architecture. With site isolation/"Fission" it looks like this isn't going to get any better in Firefox, either, as they'll have to move to "one domain/origin, one process", which could be even worse in terms of memory overhead due to the number of separate processes required.