Hello Pratik,
It’s very simple to use it by using Google Chrome extension and it’s just through the click of a button on chrome extension of Google lighthouse.
To run Google lighthouse as a Chrome extension follow the below Steps :
Step 1:
Install Google chrome lighthouse extension from a chrome web store.
https://chrome.google.com/webstore/detail/lighthouse/blipmdconlkpinefehnmjammfjpmpbjk?hl=en
Step 2:
To perform an Audit in chrome go to the preferred web page you want to perform an audit.
Step 3:
After installing lighthouse extension on chrome browser it will show you an icon of Google lighthouse extension at top right corner; just click on it.
Step 4:
after clicking on it the lighthouse menu expands; After expanding Google chrome lighthouse extension just click on Generate report
Step 5:
Lighthouse will run an audit and generate reports in a new external tab for you with performance and audit report.