The IELTS (International English Language Testing System) is a British English based placement test that measures English proficiency for non-native speakers.
The TOEFL (Test of English as a Foreign Language) is an American English based placement test that measures English proficiency for non-native speakers.
TOEFL
Video Source: "TOEFL® Speaking Questions 1&2 │Inside the TOEFL® Test" by TOEFL TV: The Official TOEFL iBT Channel with CC BY 3.0.
For more detailed information regarding the IELTS or TOEFL placement testing: