With the same 37 tabs and extensions, firefox is currently using 6 gigabytes of memory. The tabs used are from reputable sources, so firefox shouldn't be ...
Why does Firefox take up so much RAM? ... I have been using Firefox for the past 2 years, but only recently have I noticed that Firefox is using 1 GB of RAM!
Firefox may use more system resources if it's left open for long periods of time. A workaround for this is to periodically restart Firefox. Firefox's performance settings · Troubleshoot Mode · Task Manager
The first 30 minutes uses a good amount of RAM (like 700MB) but as time passes it uses more and more RAM, for example, passes 2 hours and Firefox now uses more ...