I want to see this guy review the Tarsnap website. For all that some people don't like my web design, I'd like to think that it's very easy to figure out what Tarsnap is.
The web design is indeed ugly, but at least it is functional. Here are some easy to implement design suggestions: You should change the title of the first heading so it's not the same as the banner. I think "What is Tarsnap?" is a good choice. Speaking of the banner, vectorize it. Finally, please remove the bars from the asides. Your product is good, so transferring a little attention to its web presence is worth the…
On small width device the menu will be on the bottom, so there's no duplication. (website seems to be responsive)
I like that the menu is on the bottom and not hidden behind a hamburger button.