[1] - https://news.ycombinator.com/hn.js
Yes, and it takes less than a second (checked in Chrome performance console) to do it. I'm happy with that.
Also hacker News is one of the simplest use cases ever.
Note that 95% of Facebook by usage (scrolling through feed, liking and commenting) doesn't have much more functionality than HN.
[1] - https://news.ycombinator.com/hn.js