The diploma thesis deals with internet marketing tools, the tools of own web pages and the tools of internet advertising. In connection with growing importance of internet marketing arises question how effective are internet marketing tools and what are their benefits. This thesis compares benefits and effectiveness to a sample of internet marketing tools based on the branch metrics and based on a Return On Investment. The research includes 10 apllied tools of internet marketing from 12 described in a theoretical part. The thesis showes different effectivity and benefits for a different internet marketing tools while the method of the research could be also different according to the specific internet marketing tool.Diplomová práce zkoumá z...