Originally Posted by kevindd992002
No activity in each of the tabs, really. Just plain forum texts.
Also, I only have one extension (IDM) and it is updated. I only have Silverlight, Flash, Shockwave, and Microsoft Office as plugins also.
Like qwerty77 said, there are lots of factors. He did mention a tweak that you can do to help memory and I'm going to give it to you. Hopefully it will help but there are so many factors involved that it's hard to pinpoint exactly what could be causing this issue for you. MrAlex has mentioned that with thousands of users, some will have issues and some won't. Every setup is different and it's almost impossible to reply and chase down every little thing especially when not everyone has the same issue due to each persons setup. Anyway, try this:
This little hack will drop Firefox’s RAM usage down to 10 Mb when minimized:
1. Open Firefox and go to the Address Bar. Type in about:config and then press Enter.
2. Right Click in the page and select New -> Boolean.
3. In the box that pops up enter “config.trim_on_minimize”. Press Enter.
4. Now select 'True' and then press Enter.
5. Restart Firefox.