Hey coryl, thanks for your feedback! The studio is just temporarily storing the files, they are automatically deleted after (currently) 24h. We will move this down to 60 minutes though.
As mentioned before, the server this beauty is running on is a very very small one, since we didn't expect such a huge feedback. We will move to another server later this week.
I've been running an online video converter for 5 years now, 300 TB of traffic per month (and the resulting video files are a lot bigger than the .gifs we are creating with this service), so I guess I'm quite experienced in handling huge amounts of traffic. As I see the stats on gifsoup.com, it had about 7TB traffic in total, which I think is nothing to worry about. Thanks for the hint, though :)