The Duolingo English Test (DET) is an online English language test. Designed for students and professionals who need to prove their English language skills for university admissions, job applications or visa purposes. Unlike traditional English language tests such as TOEFL and IELTS, the Duolingo English Test can be taken online from anywhere with a computer with an internet connection.

Basic information about the Duolingo English Test:

1. Format: The test assesses four basic language skills: reading, writing, listening and speaking. With adaptive testing, the difficulty of the questions changes according to the user's answers.

2. Duration: The test lasts approximately 1 hour, including a 45-minute main test and a 10-minute video interview and writing sample at the end.

3. Scoring: The test is scored on a scale of 10 to 160, and results are usually available within 48 hours.

4. Accepting institutions: More than 4,000 institutions worldwide, including universities and colleges, accept Duolingo English Test results.

5. Diversity: The test is more affordable than other English language tests and usually costs around $49.

6. Convenience: Since the test is given online, it can be taken from home and all you need is a computer with a camera, microphone and internet connection.

7. Validity: Duolingo exam is valid for two years.