Add new content constantly!
To maintain a high page rank with the search engines, webmasters need to regularly add new content to their websites. This won’t be an issue for membership site owners, who will have to add new content frequently just to ensure their members continue to pay their subscription. A blog is a great way to add content to your site on a regular basis. Post something on your blog at least once a week, but more often if possible. Encouraging your members to comment on your blog may give you ideas for follow up blog posts, and will also increase your search engine ranking.
Encourage, entice, and even bribe your members to submit content.
Having other people submit content for your site will help to increase your traffic flow. Get your members to add content to your site in the following ways:
1. Discussion forums
Encourage them to post on discussion forums. You will need software that allows forum posts to be picked up by search engines to make this effective.
2. Blog comments
Allow them to add comments to your blog. Preventing blog spam may require specific software and give your members a code to enable them to post comments.
3. Product reviews
You could ask members to review your products after they purchase. Of course you need to make sure you have quality products to avoid negative reviews.
4. Articles and ideas
Ask your members to submit relevant articles and ideas to you site. Always give them credit for any material you use. Perhaps you could run a members’ contest and give a suitable prize or monetary reward each month for the best article or tip submitted.