With Bulma/Bootstrap you're also reusing classes but you just need a fracion of those compared to TW. I don't know the ratio but I would imagine it's something

With Bulma/Bootstrap you're also reusing classes but you just need a fracion of those compared to TW. I don't know the ratio but I would imagine it's something like 1:10. And when using TW with SSR you're still sending all those extra classes per element.