What is the best 2 stroke gas?

In the realm of automotive enthusiasts and powersports enthusiasts alike, the debate often arises about the ideal choice of 2-stroke gasoline. Could you elaborate on the key factors to consider when determining the best 2-stroke gas? For instance, is there a particular octane rating that's preferred for performance? Does the addition of certain oil mixes make a difference in engine lifespan or fuel efficiency? Also, how do weather conditions and altitude play a role in selecting the optimal 2-stroke fuel? Understanding these nuances could help enthusiasts make an informed decision when it comes to powering their bikes, scooters, or small engines.