SU has really been on a tear lately. According to Alexa, Stumbleupon has never ranked higher in its history, currently ranked 170 . It is also becoming more mainstream, now having over 3.7 million users (consider they only had 1 million in July 2006).
When I started writing this post, I was only going to talk about the StumbleUpon Toolbar Update for Firefox. If you’ve used Firefox recently, you’ve probably been prompted to install the latest toolbar update. Not sure about you, but I don’t like not knowing about what I’m upgrading. So the geek in me did a little digging and I came across the StumbleUpon for Firefox Changelog.
The update is worth it – see the StumbleUpon Blog’s report on SearchReviews:
You can now see who the friend that thumbed up each page in the SERPS.
Also while doing some research on this article, I came across the Unofficial StumbleUpon FAQ. There is some pretty good information on this page, such as giving premium users the ability to create their own groups (you might be surprised how effective a good group can be).
Here are some further resources to help your StumbleUpon knowledge:
Here is a good pictorial on how StumbleUpon actually works:
click on the image for a larger version (h/t arleas)
As social media and (quality) blogging now allow sites to rank very quickly, it will be interesting to see how this all pans out. Especially with a more level PR playing field.