About
Online tests are either boring, or expensive or have no scientific value. E-Diagnostics makes scientific online assessements that are fun and free! So far 19,304,322 (over 19 million) unique users have taken our tests, without us doing any marketing! We monetize via: 1. small fee for premium test results 2. sponsor, who pay for users liking their Facebook Page 3. clients, that want to have our test for user engagement