Usability of web pages and applications and its testing and measuring

This bachelor thesis is divided into three standalone parts. First of them serves as an introduction to the topic of web usability. It also mentions web accessibility which may also affect usability, but is not a subject of this thesis. Next part offers an overview of issues web developers could run into when working on their projects. It tries to describe possible problems and proposes suitable solutions. Interesting sections are those related to text writing and web forms creating. It's necessary to work properly with on-line text and its formatting, because it is the most important part of web content. Also forms are important thanks the fact they are used to gather user's input. Due to that there is a necessity to have them easily fillable and error proof. The goal of the third part was to conduct usability testing of real server -- Nepropasni.cz. It's main use is searching for various cultural actions and performances. Two tests were run -- usability testing with real users and heuristic analysis. Results of user usability testing are discussed in final report, which is also attached to this thesis. Last part further describes other methods often used to measure and asses web pages.