The Whalesong paper has a detailed comparison to Racket: https://cs.brown.edu/~sk/Publications/Papers/Published/yk-whalesong-racket-browser/ https://cs.brown.e

The Whalesong paper has a detailed comparison to Racket: https://cs.brown.edu/~sk/Publications/Papers/Published/yk-whalesong-racket-browser/ https://cs.brown.edu/~sk/Publications/Papers/Published/yk-wh... Results range from 20x to 100x slowdown – just fine for the games and animations middle- and high-school students write for Bootstrap, for example.