Load Testing Your App with K6

You have unit and integration tests to ensure your application operates as intended and you don’t have to test in production. What happens (or fails to happen) when a large number of users wants to take advantage of your application’s functionality all at once? That’s where application performance testing comes in. Here, I’ll provide you with a list of things to think about (and watch out for) when simulating traffic to your site in a test environment, and pointers on using LoadImpact’s open-source K6 tool to do the job.