How do I log into multiple accounts on the same site simultaneously?
Use Another Browser
Each browser stores its own cookies, so the most obvious way to log into multiple websites at the same time is by using multiple different browsers. For example, if you're using Google Chrome, open a Firefox window. If you're using Firefox, open an Internet Explorer window.
What is a multi session browser?
Multi Session Box, as the name suggests, is largely identical to Session Box. You can produce new sessions, multi-task between, all in the same browser window. However, there are differences. Multi Session Box brings a much more straightforward interface and a narrower feature set.