It's ironic that a site about UI/UX has a 5 seconds black screen during load. This might be due to the HN hug of death however. In either case, a small loader (or similar modern loading indicator pattern) would increase the site's usability by miles.

Edit:

Interesting that this comment is being downvoted. Initial page loading time is not a nitpick, it is the main source of an increased bounce rates.

> "[Users] with an average page load time of 2 seconds view 8.9 pages on average, while those with an average page load time of 7 seconds view only 3.7 pages on average. The number of pages viewed consistently decreases as page speed decreases, and the difference in pages viewed between users averaging 2 second load times and users averaging 4 seconds is 3.x pages. This means that a 2 second delay in page load time could mean a user exits your site 3 pages earlier."¹

Articles upon articles are written on the topic and UI/UX experts have a lot of patterns available to mitigate the issue.

This article showcases a lot of great way one can use to change the perception of a slow loading page: https://medium.com/dev-channel/hacking-user-perception-to-ma...

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¹ https://blog.littledata.io/2017/04/07/how-does-page-load-spe...