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
The Internet
Practice foundational UI checks against common web widgets and interaction patterns.
UI behavior, validation, and accessibility
Practice Test Automation
Design beginner tests for login behavior, simple tables, and stable UI locators.
End-to-end flow, recovery, and business risk
Sauce Demo
Explore login users, product listing, cart behavior, checkout totals, and completion risks.
End-to-end flow, recovery, and business risk
Automation Exercise
Practice full e-commerce coverage across account, catalog, cart, checkout, and contact flows.
Persistence, consistency, and reporting confidence
ParaBank
Explore banking registration, sessions, transfers, bill pay, history, and financial data consistency.
Abuse prevention, permissions, and sensitive data
XYZ Bank
Test customer and manager banking roles, deposits, withdrawals, accounts, and transaction records.
API contracts, auth, and backend failure modes
JSONPlaceholder
Practice REST API status, schema, CRUD-style behavior, and negative endpoint thinking.
API contracts, auth, and backend failure modes
Restful Booker
Design booking API tests for auth, CRUD, schemas, dates, and negative payloads.
UI behavior, validation, and accessibility
UI Test Automation Playground
Analyze dynamic UI behaviors that create flaky manual checks and automation tests.
UI behavior, validation, and accessibility
Tricentis Obstacle Course
Inspect automation obstacles and translate them into practical QA risk coverage.
Abuse prevention, permissions, and sensitive data
OWASP Juice Shop
Practice safe security-focused QA thinking around auth, input validation, and access control.
Abuse prevention, permissions, and sensitive data
Google Gruyere
Use an educational vulnerable app to build safe security test design habits.
UI behavior, validation, and accessibility
Accessibility Tool Audit
Practice finding accessibility issues and comparing what tools catch versus manual review.
End-to-end flow, recovery, and business risk
Before and After Demonstration
Compare inaccessible and improved versions of the same pages to learn practical accessibility risk.
UI behavior, validation, and accessibility
Blaze Demo
Design performance-focused tests for a travel booking search and purchase journey.
UI behavior, validation, and accessibility
The k6 Fake eShop
Practice performance test design for an e-commerce journey and service bottlenecks.
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.