Diploma thesis deals with the management of information in companies, especially the use of audiovisual content in the online environment. The theoretical basis of the work offers insight into the problems of communication through company websites, definitions of terms needed for subsequent research investigation in the empirical part. It provides quantitative and qualitative findings from the Czech export companies and their access to audiovisual content in the communication with stakeholders.

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The diploma thesis deals with meteorology of project management and discipline application in the environment of the company, which is Panthers Otrokovice floorball club. The aim of this work is to evaluate the current state of the club's website, to analyze weaknesses and weaknesses. Based on these analyzes and requirements, new websites will be created. The final part of the diploma thesis will be devoted to the benefits of these plans.

This work deals with the design of a phishing attack detection and classification tool. The work describes techniques and forms of phishing attacks and availible tools and techniques for phishing detection. Based on the analysis of existing tools a solution for file classification is proposed. Implemented tool handles input parsing and creation of input model. Model is based on hybrid analysis of input file and URL. Using the YARA tool, YARA rules are applied which are then used in creation of input classification. Analysis of input model and definition of classification rules is enabled by implemented YARA module. Implemented solution makes it possible to define YARA rules for phishing classification based on the structural properties of a phishing file and features of source URL.

The master's thesis is focused on proposal and subsequent integration of e-shop into a web presentation and overall web optimalization. Furthermore the thesis includes characterization of many partial activities, which were necessary to perform during project realization. It records financial aspects of whole project and also presents suggestions on how to promote the web pages on the internet.

This master's thesis focuses on designing an information strategy for an organisational unit of a civic association. Based on an analysis of internal and external environment of the unit, this thesis formulates the information strategy which will support achieving the set of strategic objectives, using selected components of information technology and information system.

Virtual world is having an increasingly important role for us. Not only it affects our personal lives but also our shopping habits. Today it is more or less a necessity to be present online for many companies. The submitted work is the first exploratory analysis of websites content of social enterprises in the Czech Republic. This sample consists of 128 social enterprises, which were supported by a Call no. 30 "Social economy" of the European Social Fund. Supported organizations gain a considerable amount of funds for thein development. With incoming public finances it is necessary to raise a question of transparency and openness of these organizations. Work describes which information is available through websites of social enterprises, evaluates their level of transparency and monitors whether these organizations recognize themselves as social enterprises. It was examined whether organizations disclose information for which they could be described as a social enterprise organization that is in compliance with the principles created by the Thematic Network for Social Economy (TESSEA) a network, which created the first Czech definition of social enterprise. The results show that most social enterprises have a website. However, although the information sought on websites were more or less basic,...

This thesis deals with the issues of information architecture for the web sites. It is not just a theoretical approach to a problem, but also an approach to a specific practical problem. Information architecture focuses directly on the Web headquarters of the National Archives. A summary of theoretical knowledge in the field of information architecture for the web site is part of the thesis. In addition, there is also a huge part of information analysis, which is based on design information architecture for a particular web site.

This work deals with handicapped users' issues caused by limitations of their handicap and their ability of reading and text understanding. It reports on a summary of basic rules of accessible web pages' creation. It also introduces a solution with help of automatic transformation of inaccessible web pages to their accessible version.

Websites are shifting from static model to dynamic model, in order to deliver their users with dynamic, interactive, and personalized experiences. However, dynamic content generation comes at a cost – each request requires computation as well as communication across multiple components within the website and across the Internet. In fact, dynamic pages are constructed on the fly, on demand. Due to their construction overheads and non-cacheability, dynamic pages result in substantially increased user response times, server load and increased bandwidth consumption, as compared to static pages. With the exponential growth of Internet traffic and with websites becoming increasingly complex, performance and scalability have become major bottlenecks for dynamic websites. A variety of strategies have been proposed to address these issues. Many of these solutions perform well in their individual contexts, but have not been analyzed in an integrated fashion. In our work, we have carried out a study of combining a carefully chosen set of these approaches and analyzed their behavior. Specifically, we consider solutions based on the recently-proposed fragment caching technique, since it ensures both correctness and freshness of page contents. We have developed mechanisms for reducing bandwidth consumption and dynamic page construction overheads by integrating fragment caching with various techniques such as proxy-based caching of dynamic contents, pre-generating pages, and caching program code. We start with presenting a dynamic proxy caching technique that combines the benefits of both proxy-based and server-side caching approaches, without suffering from their individual limitations. This technique concentrates on reducing the bandwidth consumption due to dynamic web pages. Then, we move on to presenting mechanisms for reducing dynamic page construction times -- during normal loading, this is done through a hybrid technique of fragment caching and page pre-generation, utilizing the excess capacity with which web servers are typically provisioned to handle peak loads. During peak loading, this is achieved by integrating fragment-caching and code-caching, optionally augmented with page pre-generation. In summary, we present a variety of methods for integrating existing solutions for serving dynamic web pages with the goal of achieving reduced bandwidth consumption from the web infrastructure perspective, and reduced page construction times from user perspective.