This thesis deals with the use of PPC advertising (text and banner ads) on Google Display Network. The theoretical part of thesis describes basics of PPC advertising and its possible use. Also Google AdWords is described as a useful tool for PPC campaigns. The thesis describes basic targeting characteristics on Google Display Network, specifically context targeting, placement targeting, topic targeting, interests of users targeting and remarketing targeting. The practical part of the thesis deals with efficiency evaluation of text and banner advertising by every mentioned type of targeting. Different types of targeting are shown on two examples (advertisers). There are also outputs from AdWords and charts. The output of thesis is the evaluation of different types of targeting by both advertisers and final recommendations.