Their interview questions are pretty basic and the whole product is pretty much useless. Waste of time and money.
Udemy - Online Courses - Learn Anything, On Your Schedule
Pramp - Peer-to-peer practice for live technical interviews
Code-Free Startup - Learn how to build real apps without coding
LeetCode - Practice and level up your development skills and prepare for technical interviews.
Geocities Site Builder - Share your abomination with the world
Interviews on Skype - Test candidates using a real-time code editor over Skype