Comment by zyedidia

I don't think there are any plans for Ladybird to have a JIT compiler (they used to have one but decided to remove it) [1, 2], so it's not clear to me that this performance gap will be improved anytime soon (if ever).

[1]: https://youtu.be/dKHopzDtElY?si=jc3ho2NT4vPTbXBz&t=14

[2]: See FAQ here https://awesomekling.github.io/Ladybird-a-new-cross-platform...