[daggerdrone]

Don’t you think some users may want this as it puts less strain on your eyes? Especially, if they spend a lot of time reading Hacker News.

[mathfailure]

I don't think it's a valid solution for such a problem. The solution has to be more general, not just for 1 site.

[wkat4242]

It looks like this is what it is actually. It's very expensive for what it is though (at least for me as a European).