Answer 1

Yes. I have used it but now I've dropped it and switched to Netlify. It's lot more convenient and faster than 000webhost.

Answer 2

Its fast good and safe , it's worth using its one of Many who gives good free service

Answer 3

Yes, I've used 000webhost many times for testing purposes, But I prefer using netlify over it. It's Fast, Secure and provides you with 24/7 uptime. It has a limited 100GB bandwidth per month on the free account. Also it provides you with a free domain.