In this post, you'll learn how to use the Siege command to benchmark a website. Siege supports both HTTP/1.0 and 1.1 protocols, including GET and POST requests. siege command support both the HTTP/1.0 and 1.1 protocols, GET an POST ... Requirements Running instance of Ubuntu Server. A user with sudo privileges. A Website to test. Install Siege Log in to your Ubuntu server. Open a terminal. Install Siege using the appropriate package manager. sudo apt-get install siege -y   After install, You need enable logging. sudo nano /etc/siege/siegerc Before #logfile = $(HOME)/var/log/siege.log After change logfile = $(HOME)/var/log/siege.log Save and close the file. How to perform a test. Example, we run a 5-minute and concurrent user load is 100. siege https://SERVER -c 100 -t 5m Where SERVER is the IP address or domain website for test. The output terminal as below: If you want to save log. You need run command below: siege https://SERVER -c 100 -t 5m -l How to test multiple site You need