Web Design and development and testing
Many organizations are interested in building web applications for their business but are unaware of the different steps that are necessary to build a compelling web application. In this article I try to put together the various pieces of the puzzle. Application Development refers to a few unique efforts that come together to build an end product irresistible. A compelling end product is the combination of design, development architecture, development implementation, automated regression and functional testing and performance and load testing.
Concept: People often confuse design with development. Moreover, even within the design, user interface design is often confused with graphic design. Net user interface design involves the design of the flow of web site and the plan of the specific pages within the Web site with a. The NetzBenutzerschnittstellenentwerfer focuses on the usefulness of the application. The Benutzerschnittstellenentwerfer developed normally “wireframes” to be transmitted using the tools such as Adobe Photoshop, for the draft. These are often developed first as prototypes and usability testing is carried out with user groups to ensure that the web application is intuitive and easy to use. Graphic design refers to one part of the aesthetics of the page. The graphic designer is responsible for the aesthetic of the site plan and the creation of various graphic objects within the pages as images and Flash objects. The designer usually used a combination of tools such as Adobe Photoshop, Adobe Illustrator and Adobe fascinate, to create the actual graphics objects.
A designer must work closely with other groups to ensure that the design process, the performance of the application is not compromised by checking if the graphic objects are therefore small, guaranteeing that the various network performance metrics are unaffected. Development: This involves converting the design into an actual application. The development of an architecture usually refers to a phase in which the underlying modules that make up the application scoped out. If the persistent data storage is required, a database schema are designed to accommodate the data storage needs. The choice of operating system (eg Windows, Linux or Solaris) where the web application is running, the web server (eg Microsoft IIS, Apache or Tomcat) to run that makes the Web application and the end database (eg Microsoft SQL Server, Oracle, MySQL or Postgres) which stores the data, must be made. Various development frameworks are in place to build Web applications. Common are ASP and ASP.NET from Microsoft, Java Servlets and JSP from Sun, PHP and Perl, the open source. The choice of application framework is usually prescribed by the strengths of the members of the development team. The architecture phase is followed by the implementation phase.
This is usually the longest part of the project and during this phase is the actual code using the design specifications written and graphic objects developed by the design team. The programming is usually done using a combination of the application framework, the early be mentioned together with HTML, Javascript and CSS style sheets. Quality assurance and verification: the surprising number of people are of the view that quality assurance and testing is desirable but not absolutely necessary. Unfortunately, this view has its roots in the Gesamtunwissenheit of the process that is necessary to establish a good final product. provide Regardless of how pretty or smooth, we the application if it does not work as expected, users have it back. Quality assurance and audit related tasks with one of two ways. Functional and regression testing is used to verify that the developed application is doing what to do. This is achieved through test automation using a functional test tool. Load and performance testing is used to ensure that the application performs as intended when the burden of a typical production environment is subject. Last test is practically speaking impossible to perform without using an automated load testing tool, as it involves the simulation of many concurrent virtual users. This effect can not be achieved manually and really needs the support of an application that is designed to make application to a specified load and to measure its performance if it is subjected to this load. Quality assurance teams must track down the bugs or defects in the application using the bug tracking tools. Such tools allow, that defects will be tracked by all the members of the team. The three groups mentioned above, tend to be specialized for their skill set. As an example, people often make the mistake of applying the developers Qualitätssicherungsprüfvorrichtungen. This is not a wise strategy, because most developers who are good at writing software, are quite poor at finding the bugs or defects in their own software. The letter of good and compelling web applications requires an understanding of all phases of the process, the design, development and quality assurance. Skipping phases or Nehmenabkürzungen lead to low quality software that costs are generally long term.
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