One immediately wonders about using it in browsers, but I looked into this a fair bit and concluded that there doesn't seem to be any viable approach still if y

One immediately wonders about using it in browsers, but I looked into this a fair bit and concluded that there doesn't seem to be any viable approach still if you have real web content (rather than short toy blog posts), care about performance, and want Knuth-Plass: https://gwern.net/design-graveyard#knuth-plass-line-breaking https://gwern.net/design-graveyard#knuth-plass-line-breaking But props to https://mpetroff.net/2020/05/pre-calculated-line-breaks-for-html-css/ https://mpetroff.net/2020/05/pre-calculated-line-breaks-for-... for a cool hack bypassing all the JS issues entirely. :)