[tijs]

As others have mentioned the website and portfolio are a must. It's ok if there isn't much on there yet, just some idea of what you can do is usually enough.

While you work on your portfolio make sure it's obvious what people can hire you for, i.e. your speciality. A 'web designer' might do front-end or just photoshop design or maybe your special power is making interactive doodads with jquery. Specialities are helpful, or alternatively a list of actual practical things you do, and help people see if you are a fit for the problem that needs solving.