Learn software testing, one practical lesson at a time.

Choose a subject, follow the lessons in order, or search for one specific answer.

Browse tutorials

Browse tutorials

Selenium Java Control browsers with Java, locate elements, and build reliable tests. Selenium Python Write browser tests in Python, from setup through everyday element commands. Playwright Java Automate modern pages with Playwright and Java. Java Learn the Java basics used in the automation lessons. TestNG Organize Java tests with annotations, assertions, and suites. JMeter Build load and performance tests against a site. Go Read and write Go for small, reliable programs.

Where to begin

These routes use tutorials that are already published. Selenium Java currently runs from foundations through interacting with elements.

Start with Java if the language itself is new, then move to Selenium Java. Start Selenium Java when you want the ordered browser-automation lessons. Start Selenium Python when you already write Python.

Practice and tools

Automation tools

Compilers, generators, and converters on tools.codekru.com. Opens in a new tab.

Explore tools

Practice pages

Text fields, alerts, frames, and tables on testkru.com. Opens in a new tab.

Browse Selenium practice