The thesis deals about banner advertisement. After brief introduction, theoretical basis describes how did banner advertisement go throughout the timeline, what are the possibilities of banner advertisement, which technologies can be used for proper banner advertisement, how is it measured, etc. In practical part of thesis a global company is introduced and there are analyzed ways how it uses banners in its web presentation. In final part a research is made to point out the importance of various factors effecting the efficiency of banner advertising. In conclusion author summarizes findings and tries to give hints how to use powers of effective advertising in bussinnes.