Following are a few guidelines for showcasing your work on the internet.
1. Put as much information about yourself as you can. Only you can describe yourself. Better you describe yourself more are your chances of getting a job.
2. Use of keywords in your profile - Make sure you use the keywords that you think are relevant to your profile or work.
3. Add your past jobs/projects.
4. Add references - It's good to list a couple of names who can tell good things about your skills to your prospective clients.
5. Upload a photo to your profile. That increases credibility of your profile.
6. Keep your profile updated.
7. Send your profile URL in the online applications that you do.
8. Promote your profile - Add links to your profile on social networking websites
like Orkut, Facebook. There are many. You may consider bookmarking your profile on social bookmarking websites like delicious.com.
9. It's all about promoting/marketing yourself. Add your profile URL in your signature of the emails that you send out. If more people know about you, you have a better chance of finding work! The bookmark button on your profile makes it easy for you to do this.