This thesis is focused on security of electronical shops built on PHP platform. The goal of this thesis is to analyze electronical shops security and personal data protection from view of czech legislature, trustfulness of these shops from view of customers and also certification of these shops, analyze various possibilities of payments and assuring their security and analyze possible security risks, which are matched with technologies these e-shops are built on. Analysis of these appropriateness is based on theoretically knowledge extracted from scientific sources and from author's experiences. Benefit of this thesis consists in reference to possible inadequacies of e-shops in personal data security, on-line transfers and security risks derived from PHP technology, which they are based on. This thesis is comprehensive survey of things, which quality e-shops should have ensured and contains also summarized survey of security risks, which web developer should minimize during web creation. This thesis offers its own resolution of security risks and also chosen real e-shops evaluation. This thesis can be useful not only for web makers and e-shop programmers, but also for e-shop customers.

Η παρούσα διπλωματική εργασία έχει ως αντικείμενο την κατασκευή ενός ηλεκτρονικού καταστήματος το οποίο καλύπτει όλες τις βασικές απαιτήσεις του ηλεκτρονικού εμπορίου, παρέχοντας πληθώρα δυνατοτήτων όχι μόνο στους απλούς χρήστες / πιθανούς πελάτες αλλά και στον διαχειριστή του διαδικτυακού τόπου. / The current thesis has as subject the development of an e-shop which covers all basic demands of e-commerce providing many of abilities not only to simple users but also to the administrator of the website

This Master’s thesis investigates with problems of electronic shop optimization for Textil Soldan.cz company. Based on the analysis of the electronic shop solution proceedings for electronic shop credibility and competitiveness enlargement are proposed.

This Master’s thesis deals with the theme of „Model of e-business for humi.cz keeping by Humi Outdoor, s. r. o. company.” Based on the analysis of the electronic shop and system for its creation and e-shop administration is proposed kind of solutions proceedings for electronic shop. The solutions will ensure not only the increasing of credibility and image of electronic shop, but they will lead also to increasing of sales volume and thereby to higher profit of company and to competitiveness enlargement

This diploma thesis deals with a demand forecasting in electronic shop focused on electronics Alza.cz. The aim of the thesis is to evaluate several forecasting methods for different groups of products and to determine which of them provides the most accurate forecasts. The theoretical part is focused on electronic business, logistics cost, demand forecast, demand forecasting methods and forecast accuracy measuring methods. In practical part, selected methods are applied on data of past demand to calculate the forecasts. Afterwards the forecast accuracy is measured. At the end the thesis provides evaluation of forecast accuracy of the methods.

Aim of this master’s thesis was design of front-end and back-end interfaces of electronic shopping system. Design consists of completing individual use-case and workflow diagrams. Next it was explored possible security risks, designed security actions against these risks, explored payment methods usable in electronic shopping systems and methods of its implementation. There was chosen PHP programming language in combination with MySQL relation database management system to be used for development of final application. As result of this work was development of electronic shopping system final application with extended user options, ability of placement at any business type and possibilities that present-day internet user expects from electronic shopping system. To accomplishment the aim of this work contributed implementation of extended user options as advanced catalog items sorting, multi level catalog structure and advanced search options. It succeeded in choosing and implementing designed security prevention and implementing of template engine into final application. Whole system is described in detail using data modeling and class diagrams.

Darbo tema - sandėliavimo apskaitos ir prekių pardavimo sistemų kūrimas. Šiuolaikinėse įmonėse, kai technologijos labai sparčiai vystosi ir gyvenimo greitis didėja yra labai svarbu viską daryti tiksliai ir greitai, taupant laiką. Todėl įmonėms svarbu turėti sistemas, kurios veikia kokybiškai, paprastai ir patikimai. Pagrindinis šio darbo tikslas- sukurti sandėliavimo ir prekių pardavimo informacinę sistemą WH2009, didmenine automobilių detalių prekyba užsiimančiai įmonei. Darbe analizuojami vartotojo keliami reikalavimai informacinei sistemai, sukurtą programa palyginama su analogiška sandėliavimo programa, nagrinėjamos panaudotos sistemos kūrime programinės priemonės. Pateiktos rekomendacijos, pastebėjimai, tolimesni sukurtos programos tobulinimo žingsniai. / The title of the project is a creation of storage accounting and goods selling systems. With a high development of technologies and lifestyle in the modern enterprises it is quite important to do everything precisely and quickly, saving the time. That is why for the enterprises it is important to have qualitatively, quickly and reliably functioning systems. The aim of this work is to create a storage accounting and goods selling data system WH2009 for an enterprise of wholesale trade of cars’ details. The consumers’ demands IS were analyzed in the work; the created programme is compared to analogical storage program; the software used in the programme creation are analyzed. The commendations, notes, future steps of programme development are given.

In the time of recent economic crisis is more than ever difficult to keep old and find new customers. Along with the growth of sales on the Internet there are also a growing number of competitors, which want their share of the market pie. The aim of this thesis is to use technologies and processes of Business Intelligence with web analysis of an electronic store in order to get new information and knowledge that should later on help with overcoming the two mentioned problems most companies running an internet business are today dealing with. In the first, theoretical part of this thesis there are described basic principles and processes of search engine optimization in term of both users and search engines. Next chapter follows the theory of web analysis. There are also described general as well as own selection criteria of the web analysis tool. Upon these criteria there are these tools described and evaluated. Last theoretical chapter deals with Business Intelligence, in particular with a data warehouse theory and with a process of a BI project. Introduction to the practical part is formed by a description of a current e-shop situation. In this part there is also mentioned current architecture solution, standing of the firm and its future vision. On the basis of selected web analysis tool and theoretical knowledge described in previous chapters there is than designed concrete solution and described process of its implementation, some of its outputs and also its costs. The main contribution of this thesis I see in gaining new and otherwise hardly accessible reports about the visit rate, which should ease and improve the process of website optimization and therefore help the company to strengthen its market position. Another contribution would be in demonstration of the BI implementation on a small business scale also with its cost accounting.

This master’s thesis deals with problems of the web applications with respect to accessibility. At first it describes accessibility of the web pages. There are mentioned main reasons and initiatives for making accessible web pages. The first chapter is also aims to handicapped users. The handicapped users are separated to groups according to their handicap and impacts on accessibility of the web pages. The second chapter presents methodics of the accessible website, Czech and foreign rules and lawful orders. The foreign (WCAG, Section 508) and the Czech (Blind Friendly Web and Pravidla pro tvorbu přístupného webu) representatives of the rules are introduced in the next part of this chapter. The idea of the accessible web application – electronic shop - is presented in the third chapter. There are subscribed the conception of electronic shop, advantages and disadvantages and main functions. In the next part of this chapter there are mentioned the primary rules of the writing the source code of the web pages which are used during the creating of the accessible web application of the electronic shop. Closely there are introduced scripting language PHP, database system MySQL and Cascading Styles Sheets (CSS). The part of the master’s thesis is a mentioned accessible web application of the electronic shop. The presentation is placed on http://www.xandy.cz/tmp/ and presents the accessible web system with the respect to accessibility. Creation and description of this web application is mentioned in the last fourth chapter.

This paper focuses on the electronic trade in the Czech Republic and on its current state. Goal of the thesis is to formulate the strategy for employing and operation of the electronic shop which would be understandable for the wide public and create a concrete proposal of the electronic shop including the strategy for the submitter. Theoretical part of the thesis focuses on defining the electronic shop as a concept. There is also an analysis of the current state in the Czech Republic there. Empirical part then formulates the strategy for implementation and operation of the electronic shop and makes a proposal of the strategy for the submitter.