Training library
Pick a “How would you test...” prompt, write your answer, and compare your coverage with senior-level checklists.
Missing a scenario?
Tell me what interview prompt, product flow, or API scenario would make this library more useful.
External Practice Labs link to third-party demo/practice sites. Open a lab, explore the target app, then return here to write your test ideas and compare them with a senior QA checklist.
We do not own or host these third-party practice sites.
Recommended first labs:
Beginner Web UI
basic UI elements and beginner-friendly flows
E-commerce Testing
carts, checkout, pricing, orders
Banking / Finance
accounts, transfers, permissions, transaction history
API Testing
REST endpoints, schemas, status codes, negative cases
Automation Practice
locators, waits, dynamic UI, flaky risks
Security Testing
safe educational security test design
Accessibility Testing
keyboard, labels, focus, contrast, screen readers
Performance Testing
journeys, load scenarios, response times, bottlenecks
Exploratory Testing
puzzles, hidden rules, test idea generation
Progress
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UI behavior, validation, and accessibility
Black Box Puzzles
Use puzzle-like systems to practice observation, hypothesis, note-taking, and test idea generation.
UI behavior, validation, and accessibility
Testing Challenges
Practice creating focused test ideas from small product puzzles and ambiguous prompts.