How to check localhost refers to the process of verifying that a local web server is running on your computer and that you can access it using a web browser. Localhost is a special domain name that resolves to the IP address of the computer you are using.
Checking localhost is important for web developers as it allows them to test their websites and applications before deploying them to a live server. It can also be used to troubleshoot problems with your web server or network configuration.