Traffic Flow SEO

Have you ever wondered what key services a site may be using such as:
- What analytics program (i.e. Google Analytics)?
- What programming language is the site using (i.e. PHP)?
- What widgets or social bookmarks are being used (i.e. Digg, Reddit)?
- What server software is being used (i.e. Apache)?
- What affiliate marketing is being used (i.e. Amazon, Ebay affiliates)?
- What ad management is being used (i.e. DoubleClick)?
- Any many more!

Here is all the information from the site:

FAQ
What is Sitonomy?
Sitonomy is a free service that allows developers and designers to find out which technologies are used in a specific blog/site. Together with the provided statistic information of popular technologies, this service makes it easier to decide what technologies are suitable to your own site.

How to use it?
The best way to use it is to create bookmarklet that allows you in one click to get information about blog you are currently browsing.

How does it work?
Sitonomy service is analyzing over 1000 most popular blogs. Then, collected information is used to make a comprehensive analysis of the specific site.