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Free practice resources for several English exams, including IELTS, TOEFL, TOEIC and Cambridge English.

Check adoption of modern website, email and connection standards

An end-to-end testing platform spanning web, mobile, performance, and real-device workflows.

Family cooking with focused weeknight collections, community recipes and kitchen tips

Browser measurements of download, upload and ping

Test multicast reachability with a sender and reflector

Join or generate IPv4 and IPv6 multicast traffic

Elixir practice by making small failing exercises pass

Voice AI that answers restaurant calls and takes orders.

Health-topic and medical reference for general readers

Exam preparation spanning medical, nursing, college, accounting, finance, legal and pharmacy tests.

Official ACT preparation options with study resources and a route to MyACT.