Desktop too. The absolute main feature of such a site is the absolute link to the picture. That is the most important thing you need after you uploaded an image. Yet imgur tries to hide it as much as possible, forcing you to use the "show url to image" stuff in browsers.
It's been some time since that was the main feature of imgur.
For example, imgur redirects hotlinked images to its embedded view in some cases. One of those cases is when they decide that your domain is using them as a CDN, which they forbid.