The bachelor thesis describes increasing business performance of online store on URL www.vytvarny-shop.cz. Increasing business performance of online store is achieved by SEO and by implementation of additional modules for online store. The starting point for this thesis is theoretical background which describes the issue. The analytical part of the thesis draws on the theoretical part and verifies whether the online store is in conditions which are consistent with standards and methodologies listed. The practical part of the work proposes and implements changes, which have been based on the analytical part and evaluated as desired within a stated budget. Bachelor thesis results in the economic evaluation of the conducted changes and provide...