==
vs. ===
is not going to make a real-world difference in your code’s performance. This is a microbenchmark.
Check out this presentation by @mraleph, explaining why microbenchmarks are evil and should be avoided: https://www.youtube.com/watch?v=65-RbBwZQdU&hd=1 He explains why tests like the one you linked to are basically useless, as engines optimize things like this away.