SEO Diver is a new search engine marketing and optimization application. The webbased software offers monitoring facilities to observe the performance of own websites and on competitive analytics. Especially the service comprises various keyword and link research tools usable for search engine optimization and competitive analytics. Exemplary the keyword tools enable to survey the relevancy of websites regarding keywords and to analyze keyword trends. The link research tools do range from simple backlink research to more complex tasks and to find relevant hubs for linking. The data used for the service is based on daily research of the search engine market and searches. To get further information about all tools and the service itself visit the SEO Diver homepage.