Get a mouse pad, 0.25 inch thick. Cut 1 inch squares ← 4 of them.
Place a square under each corner of the laptop computer, in order to let more air pass underneath the computer.
Memory leak with no extensions:
Memory leak with no extensions
Memory leak with no extensions - #2 by 289wk
Using the Top command as a task manager for Linux OS users:
Brave Browser Task Manager:
Click on the “hamburger” menu button (3 small horizontal lines) at the upper-right corner of the Brave Browser webpage. Choose More Tools. And then, click Task Manager.
You can compare the same process of both task managers, by noting the Process ID (“PID”) numbers.
Arrange the windows for the task managers, so you can take 1 screenshot that encompasses both task managers.
Take screenshots and name the screenshot file chronologically, so you can track memory usage.
You would be looking for an increase of memory usage, over a period of time.
Also, you would be looking for a process that is hogging the CPU.
Example screenshots:
Source for those last 2 images:
BLeak - Automatically debug memory leaks:
Websites can also issue scripts that are the cause of memory leaks.
Using my Mac, command line entry:
top -F -R -o +command -n 30 -stats command,cpu,rsize,time,state,pid
Results: