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#0
Learn k6 - Pre-Requisite Skills & Environment Setup
Setting up three foundations before learning k6: the concepts of load testing and performance testing, modern protocols such as HTTP, WebSocket, and GraphQL, plus the basics of JavaScript ES6. Then installing the k6 binary on Linux, macOS, or Windows, complete with installation verification.
August 3, 2026
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#1
Learn k6 - History, Background & Why You Need k6
Tracing k6's origins from the Load Impact project in 2017 to its position as a flagship Grafana Labs tool, then honestly comparing it with JMeter, Gatling, and Locust to understand when and why k6 is the right choice.
August 3, 2026
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#2
Learn k6 - Core Concepts & Main Architecture
Unpacking how k6 works behind the scenes: the Go engine with goja, the virtual users and iteration execution model, the test lifecycle from init to teardown, plus core components like the http module, checks, thresholds, metrics, and execution options such as stages.
August 3, 2026
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#3
Learn k6 - Writing Your First k6 Script
Writing your first complete k6 script: the basic structure with import, options, and export default function, running HTTP GET and POST requests, validating responses with checks, breaking scenarios into groups, then reading the k6 run output in the terminal.
August 3, 2026
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#4
Learn k6 - Basic HTTP API Load Testing
Applying load testing to real HTTP APIs: authentication headers and bearer tokens, cookies, request parameterization with dynamic data and JSON payloads, plus combined functional and performance assertions with check() and r.json().
August 3, 2026
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#5
Learn k6 - Handling Dynamic Data, Cookies, and Sessions
Extracting dynamic values from responses such as access tokens and CSRF tokens, managing the cookie jar and session state per virtual user, and using http.batch for efficient parallel requests.
August 3, 2026
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#6
Learn k6 - Script Modularization & Reusable Functions
Splitting load test scripts into multiple files with ECMAScript modules, building helper functions for HTTP requests and authentication, and designing reusable scenario functions so tests stay maintainable as they grow large.
August 3, 2026
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#7
Learn k6 - Load Test Configuration and Environment Variables
Designing a well-thought-out load test configuration: ramping stages, advanced thresholds, the ext area, and environment variables via __ENV so the same script runs differently for local, staging, and production-like environments.
August 3, 2026
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#8
Learn k6 - Data-Driven Testing and Data Availability
Supplying test data from CSV and JSON with SharedArray and papaparse, randomizing input via randomItem, correlating data between requests, and keeping data clean so load tests are always repeatable.
August 3, 2026
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#9
Learn k6 - Complex Scenarios and Multi-endpoint Workloads
Composing average, spike, and soak workload mixes in one script with scenarios executors, separating traffic per endpoint via groups, and measuring application-specific things with the Trend and Rate custom metrics from k6/metrics.
August 3, 2026
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