Website analytics when Digg story is Hot
Recently my story on the Digg.com was made popular and my website got a lot of visits from there. Unfortunately, it turned out that Digg users was useless for the general picture. Here I cite as an example the Google Analytics results on December 9, 2007 for GetAWallpaper.com website.
The whole website picture before and after Digg pulling
Click on the picture to see in better quality

Conclusion about Digg.com users effectiveness
1. With help of Digg.com you can receive a lot of users, most of them will be unique. If your story is hot, so you can receive in avarage 10.000-20.000 users per day. The visitors going as from Digg.com as from other Digg clones and websites what use digg stories.
2. Bounce rate will increase because most of visitors just watching one page and closing the browser. A little percent of visitors will be interested in your content and continue website surfing.
3. The main benefit of hot stories is what after two days effect visits on your site from search engines like google.com, yahoo.com, live.com will be growing as well as from social bookmark websites.
The most of Digg users are webmasters and interested in submitting stories (IMHO), not reading them. So, be careful when posting your own story. You should know what exactly category is correspond to your content and what auditory you’ll attract on your website. My server was falling down 3 or 4 times while I haven’t optimized sql queries
useless traffic is not good!