If you have a subscription based site, be sure to check out Uservisit module developed by Solo71. It tracks/stores your users' activities in two tables.

You can download the module from
ARMA-SA

Tips of using it:

If you request reciprocal links with other parties, Please DO NOT USE any xoops modules such as MyPartners, or SmartPartners, or MyLinks. Use direct links only.

Search Engine Optimization (SEO).

How to rank your site at the top of Google, Yahoo, MsnBot, Lycos, Advalvas, HOTBOT, MetaCrawler ...

Tips from Dasdan - The original post you can find
HERE

This is a draft version on Google search engine optimization specific related to Xoops sites. We are looking for feedbacks and suggest, so that we may be able to release a final version. Look forward to your tips and tricks. Thank you.

Xoops offers the flexibility of reaching your site through www.yoursite. or yoursite.com

This makes life easier for visitors to find you. However, it also brings out "log-in" twice problems and potentially spider/robot issues.