Over the past few months I've shared many of my personal experiences with the Digital Point Link Coop. Here, I'd like to consolidate my information to help people make an informed decision, especially important now that there are other viable alternatives to the ad coop.
How it works: You set up the ad coop on your site. The set up process depends on the type of site you have but always includes a .php file with the coop code, a .txt for storing ads, and an include. The set up instructions are easy to follow for message boards and blogs.
Once the coop is installed on your site, you will get a weight based on your PR and number of pages indexed. You may submit ads, which will appear across the network. The number of times your ads show depends on your weight.
How well it works: It works very well for Yahoo! and MSN but not as well for Google. Because ads rotate to different sites in the network, links do not age. There is strong evidence to suggest that Google values older links and this explains why the coop is not as effective for Google as it is for Yahoo! and MSN.
In my case it works so well for Yahoo that I can not imagine life without coop. I have gone from almost no Yahoo! traffic to over 1,000 people a day for one of my sites (tw different keyword phrases).
Where it works: I have coop installed on blogs, message boards and AWS sites. AWS installation is more difficult but if you're having an AWS store built you might as well find a designer who can handle a coop installation.
The alternatives: Link Vault, which generates less link churn and therefore may have a greater effect on Google results has been getting a lot of attention recently. I will report back when I have more information on Link Vault and some examples of how well it works.
Posted by James Trotta at May 17, 2005 1:30 PMTrade links with seo-search-engine-ranking.com
http://www.seo-search-engine-ranking.com/ad_network_222.php