Per some tests as of last year[0], Marko[1] is much more performant than Svelte, which matters a lot for UX and for page rankings (especially in case of more complex sites).

I’d expect Qwik to be faster than any of the above, but it seems not quite production-ready enough.

[0] https://dev.to/this-is-learning/marko-for-sites-solid-for-ap...

[1] In the Reddit the author mentions that, despite focusing on Solid+Astro in the article, Marko is actually still more performant than those: https://www.reddit.com/r/javascript/comments/ubs6i9/marko_fo...