I usually have lots of tabs open for different topics of interest that I split into separate windows. I also unload all these windows other than the active window that I’m on, but I find Firefox still eats a lot of RAM and at times becomes slow. I use a session manager extension to save windows that I want for future reference. Still I wish there was a better way, so that Firefox doesn’t consume most of my ram. Are there any Firefox forks that are memory efficient. I don’t want to switch to a chromium based browser if possible.