TrafficYour traffic will not increase dramatically overnight, but there will be a steady improvement attributable to webring membership - provided, that is, that your site is reasonably well designed and more importantly contains information useful to those interested in the webring's topic. Some of these visitors will bookmark your page, some may establish links to it from their own pages. If your site becomes popular and starts sending traffic to the webring, it is likely that the ring manager will notice and give your site more prominence.If you link to the ring's homepage, let the ring manager know - they may well reciprocate, and that will surely bring you more traffic.
Friendship and Networking
You will be a member of a community which can exchange ideas and discuss issues of mutual interest, and it is likely that you will establish relationships with other site owners. If your site is business oriented, there will certainly be networking opportunities.