React is very popular at the moment, and I can see why: its developer ergonomics are very attractive. JSX and vDOM are really nice to work with, and it certainly enables composability. But, being the performance-minded person that I am, I wanted to test the claims that it's default-fast. Last updated: 3 Jul 2015 Est. Read Time: 15 min Share this: Twitter Tagged: #react, #performance Update 7/3/15: