🎮 Trainers for testers

Interactive mini-trainers right in the browser — sharpen your eye for defects and your theory. No signup.

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Spot the bug

UI mockups with planted defects — typos, out-of-range values, broken layout. Click the bugs against the clock.

UI · 3 levels ❓

Testing quiz

Questions on theory and practice: test-design techniques, severity vs priority, HTTP codes, bug or feature. With explanations.

Quiz · 8 questions
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More modules — soon

Severity/Priority, reading logs and stack traces, API responses. Got an idea? Message us on Telegram.

Soon

Trainers run entirely in the browser; nothing is stored or sent.