However, MadContent does require prior experience. Specifically, when applying to work for the company through the online application form, you will be required to submit a sample of your work. Prior SEO experience is a plus, and work completed through the site will be required to meet certain SEO requirements. Understanding the basics of SEO and being apply to apply the strategy into your work is necessary. Further, assignments are provided to you via Elance.com, so you do need to have a valid Elance.com account in order to apply to work for this company.