I received Certificate of Accomplishment with Highest Distinction, which the highest level of certificates, from Udacity for both CS101 (Introduction To Computer Science - Building A Search Engine) and CS373 (Programming a Robotic Car).
Here are the certificates: cs101 and cs373.
Udacity is an excellent online learning website. It provides 6 courses about computer science now, and it will continue to add more courses. Welcome to join it. I’m learning CS212, CS253, CS262, CS387 now. What about you? Come and study with me! It’s free!