What are the differences between Harvard, Cambridge, Oxford, Webster, IELTS, and TOEFL? What are the differences?

IELTS is the International English language Testing System (IELTS), which is jointly developed by the British Council (the Cultural and Education Office of the British Embassy/Consulate General in China), the Cambridge University Examinations Council (CESOL) and Australia International English proficiency test co-organized by IDP Australia. This test is designed for students from non-English speaking countries who apply to study abroad and immigrate to English-speaking countries (the United States, the United Kingdom, Australia, Canada, New Zealand, etc.). It is used to evaluate the candidates' ability to use English.

TOEFL (The Test of English as a Foreign Language, referred to as TOEFL) is an English proficiency test organized by the American Educational Testing Service (ETS). There are three types of TOEFL, namely: pbt-paper based test 677, cbt-computer based test 300, ibt-internet based test 120, the new TOEFL full score is 120 points.

Generally speaking, TOEFL is required to study in the United States and Canada, but some American universities also recognize IELTS scores. To study abroad and immigrate to Commonwealth countries, you need to take IELTS.