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Aptitude-test preparation with free full-length practice, worked solutions and employer or publisher browsing.

Monitor website availability and simulate visitor journeys to catch outages and slow transactions.

Live online language classes arranged by learning level.

Indian competitive-exam preparation with test series, previous papers, quizzes and classes.

AI that explains metric shifts and turns them into decisions

Official GRE practice tests, vocabulary resources, maths review and test-maker guidance.

US state-specific permit-test practice for car, motorcycle and commercial driving routes.

Indian entrance and professional exam preparation with courses, test series and study resources.

AI lip-sync platform for translating, creating, correcting, and testing video dialogue

Learn Ruby by correcting ordered test-based exercises

State-specific US permit-test preparation with practice questions and narrated video lessons.

Inspect the TLS configuration of a public web server

Compare mobile connection tests and coverage maps

AI study help that explains homework steps for students and parents

AI QA engineer that tests web, iOS, and Android apps end to end.

Self-serve email API for AI agents.

Netflix's browser speed test with loaded-latency details

Browser speed measurements with history and CSV export

Probe loss and jitter through browser WebRTC

Learn and test text patterns with live feedback

AI coding agent for writing, testing, and shipping code in your IDE.

Open-source MCP server and client libraries for AI-assisted web and mobile testing.

AI-generated Playwright and API tests that run and heal automatically

Inspect how a browser uses DNS resolvers