Methods and systems disclosed herein relate to a private keyword database and method of generating the database, such as compilation, manipulation, segmentation, analysis, and leveraging, to enable search engine optimization and marketing tools. The private keyword database may include search marketing data, such as keywords, a character string, a phrase, a slogan, an idiom, a string of characters of alpha-numeric codes, and the like, which may be aggregated from any number of public and proprietary data sources. Related user interfaces, applications, and computer program products are disclosed.