Performance Testing (K6)

Ensure your app can scale. Master Load, Stress, and Spike testing using K6. Script user flows in JavaScript to find bottlenecks.

Will your site crash on Black Friday? This course teaches Performance Testing using K6, the modern developer-centric load testing tool. You will learn to script realistic user scenarios in JavaScript, simulate thousands of concurrent users, and analyze metrics like Request Rate and Latency. We cover different test types: Load, Stress, Spike, and Soak testing. Learn to integrate performance checks into your CI pipeline to catch regressions early.

✅ 100% Free & Lifetime Access

⏱️ 5-Minute Lessons (Bite-sized learning)

🚀 21-Lesson Path (Independent modules)

📱 Mobile Friendly (Learn anywhere)

Perf Eng

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Complete Course Syllabus

1

Performance Concepts

Latency vs Throughput and Types of Tests.
2

K6 Scripting

Writing user flows and HTTP requests in JS.
3

Test Scenarios

Configuring virtual users (VUs) and ramp-up stages.
4

Thresholds & CI

Failing the build if latency exceeds limits.
5

Analysis

Reading results and finding the breaking point.

Estimated completion time: 21 lessons • Self-paced learning • Lifetime access

Career Outlook

Estimated Salary

$110k - $150k

Career Paths

Performance Engineer $120k-$160k

Site Reliability Eng $130k-$170k

QA Lead $115k-$155k

What You Will Learn

Script realistic user load scenarios using JavaScript and K6

Execute Load, Stress, Spike, and Soak tests effectively

Analyze performance metrics to identify system bottlenecks

Integrate performance thresholds into CI/CD pipelines

Visualize test results using Grafana and InfluxDB

Skills You Will Gain

Performance Testing K6 Load Testing System Analysis JavaScript Scripting

Who Is This For

Performance Engs

SREs

Backend Developers

Prerequisites

JavaScript Basics

HTTP knowledge