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The article focuses on the importance of website loading speed. It states that the faster the loading time of web pages, the better the conversion, search engine rankings can be, etc. It is noted that waiting for a website to load can lead to a negative user experience, which reduces trust, leads to a loss of reputation, lower search engine rankings, reduced profits, etc. Based on the analysis and our practical experience in website development, we have systematised recommendations by category and provided practical advice on how to speed up website loading.

The paper analyzes and presents the architecture of REST systems construction. What is the REST API and why it should be used? It describes the basic principles for what the system could be called Restful. Examples of REST-like systems, their comparison, advantages, and disadvantages of REST, and why this particular architecture was chosen, have been given. It aims at which technologies can be used for the REST system, etc.

Nowadays, the development of electronics and related technologies is very fast. An extremely significant role in the life of moder society is took by information output devices, the development and modernization of which is an urgent task. Using the idea regarding wireless control of remote devices, an information board with remote control was developed. This article provides a reader with the development of universal information board which customers will be able to assemble for the dimensions that they need.

In this project was shown software system for drug search in online mode, which was included: three services, user interface. Also, was analyzed test of this system, speed for system and efficiency of system.

This paper explores the principles of construction, monitoring, management, and safety organization in the network of charging stations for electric vehicles. The use of elements of modern client-server technologies and elements of cyber-physical systems in such networks is offered. The basic structure of the cyber-physical control system of the charging station network has been developed. Network server and client tools have been researched and developed. Structural and functional server solutions and client parts are submitted.

​The article presents a method of creating a web application based on SPA technology (one-page web application), as a method of increasing the speed of web applications based on the use of modern frameworks, tools and tools for developing client and server part of a one-page web application. One- page web applications are web application technologies that consist of a single web page that interacts with the user, dynamically generating the current page rather than downloading entire new pages from the server.

In the article were researched the principles of building systems for observation and recognition of objects. Also we have given the classification of human faces recognition methods. Authors have analized the features of operetion for the progressive calibration network (PCN) for human face recognition. And finally has been created and tested the developed face recognition algorithm as the realized software system.

This article discusses a principles and recommendations for developing user interfaces from cyberphysical system. The methods of interaction in cyberphysical system with web-services and database are presented for their effective use. The cyberphysical system user interface is implemented as a webservice. This article discusses the principles and recommendations for developing user interfaces for the cyberphysical system. The methods of interaction the cyberphysical system with web services are presented, for their effective use.

Analyzed the principles of building communication networks. The advantages and disadvantages of existing today means implementing diagnostic environments. A reliable means of verification nodes in a communication network cyber physics system.

 In the article the Geographic Information System (GIS) finding people through which a user of this service has the ability to find the person who is next to him on the map and start communication. An embodiment of a geographic information system finding people. Described opportunities instrumental GIS and client-server technology and geographic information systems zapoponovanyy algorithm finding people. The algorithm representation statement using markers, which are located on the map. The analysis GIS software client that can be used launch applications on remote servers or workplace.