They all say they're the fastest.
It's what free hosts do.
They promise to be fast, they promise to be stable, they leech part of your traffic, the redirect another part, they end up being slow as crap, and they usually end up being down at various times of the day.
It's the definition of a free host.
Coke says it's better than Pepsi, and it's not. So I don't buy Coke.