Skill tests
Test what you know
Short, timed multiple choice tests for developers. Free, no account needed. You get a score and an explanation for every answer.
5 tests
Git and Web Basics Test
20 multiple choice questions on Git workflows, HTTP, status codes, cookies, CORS and basic web security.
20 questions · 20 min · pass 60%
FundamentalsJavaScript Fundamentals Test
20 multiple choice questions on core JavaScript: variables, types, arrays, closures, promises and the event loop.
20 questions · 20 min · pass 60%
FundamentalsPython Basics Test
20 multiple choice questions on Python: types, collections, functions, comprehensions, exceptions and common pitfalls.
20 questions · 20 min · pass 60%
FundamentalsReact Fundamentals Test
20 multiple choice questions on React: components, props and state, hooks, effects, lists and rendering.
20 questions · 20 min · pass 60%
FundamentalsSQL Basics Test
20 multiple choice questions on SQL: filtering, joins, grouping, NULL, indexes, transactions and safe queries.
20 questions · 20 min · pass 60%
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