Web Marketing 123 is a top-rated SEO agency that was founded in 2004. Since that time, the agency has outgrown its original location in tiny apartment to become an Inc. 500/5000 company with offices in the San Francisco Bay area. Now known as DemandWave, the agency still provides the award-winning search engine optimization services which helped it to grow into the business entity it is today. SEO services provided by this agency include keyword selection, keyword mapping, content creation, link building, site architecture, testing, and detailed analytics. Web Marketing 123 offers an ongoing approach to SEO for its clients that is designed to help them achieve and maintain improved rankings.