In this post I will describe the steps that you need to take in order to determine what tab is eating too much memory in a browser, I am using Google Chrome and I usually open many tabs without closing the old ones. Sometimes I even save the opened tabs to be easy to access them again upon reboot. I am a big fan of Google Chrome because of one cool feature, the browser task manager.
To determine what process or application is eating too much memory I usually start by opening the task manager to check system resources. There are many ways to open this console: You can right click taskbar and press Start Task Manager, you can type in the search box Windows Task Manager, press Ctrl+Alt+Del and select Start Task Manager, press Ctr+Shift+Esc, open run console and type taskmgr.exe:
You can either end an Application from the first tab or you can press the Processes tab to see how are system resources consumed. For further investigation press the Performance tab: