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Year

2007

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Footnote

Rez. in: Information - Wissenschaft und Praxis 58(2007) H.5, S.318 (W. Schweibenz): "Der Titel des Buches verspricht, dass es möglich sei, Web-Sites nicht nur barrierefrei, sondern auch attraktiv zu gestalten. Dieses Versprechen lösen Angie Radtke und Michael Charlier mit einer DemoWeb-Site für die fiktive Gemeinde BadSeendorf (Internet, URL http://www.badseendorf.de) ein. Dort werden einander zwei Versionen gegenübergestellt, wobei der Ausgangspunkt ein barrierebehaftetes Design ist, das durch eine barrierearme Version ersetzt wird. Diese beiden Beispiele wären für sich genommen bereits sehr hilfreich bei der Auseinandersetzung mit dem Thema Barrierefreiheit. In Kombination mit dem zugehörigen Buch haben Radtke und Charlier eine umfassende Einführung geschaffen, die sowohl für die eigenständige Einarbeitung in die Thematik als auch für die Verwendung in der Lehre sehr geeignet ist. In einem knappen theoretisch ausgerichteten Grundlagenteil werden Fragen behandelt wie beispielsweise was Barrierefreiheit ist und wem sie nützt, warum Zugänglichkeit und ansprechendes Design kein Widerspruch sind und welche gesetzlichen Vorgaben gelten. Im Mittelpunkt des umfangreichen Praxisteils steht die genannte Web-Site der fiktiven Gemeinde Bad-Seendorf. Ausgehend von dem barrierebehafteten Design werden an konkreten Beispielen die Probleme bestimmter Nutzergruppen analysiert, zu denen neben den üblicherweise dargestellten Betroffenen auch die Altersgruppe 50plus zählt, die häufig vernachlässigt wird. Weiterhin wird in einzelnen Kapiteln eine Analyse von Barrieren durchgeführt, sowie Maßnahmen zur gezielten Vermeidung von Zugangsblockaden und Zugangserschwernissen aufgezeigt, wobei auch auf multimediale Inhalte und Sonderfälle wie PDF, Flash, und Videos in Deutscher Gebärdensprache eingegangen wird. Eine kurze Beschreibung des Einsatzes von Content-Management-Systemen für barrierefreie Web-Angebote legt den Schwerpunkt auf die Systeme Joomla! und TYPO3.

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Footnote

Rez. in: JASIST 58(2007) no.7, S.1066-1067 (X. Zhu u. J. Liao): "The user, without whom any product or service would be nothing, plays a very important role during the whole life cycle of products or services. The user's involvement should be from the very beginning, not just after products or services are ready to work. According to ISO 9241-11: 1998, Part 11, Usability refers to "the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of user." As an academic topic of human-computer interaction, Web usability has been studied widely for a long time. This classroom-oriented book, bridging academia and the educational community, talks about Web usability in a student-friendly fashion. It outlines not only the methodology of user-centered Web site design but also details the methods to implement at every stage of the methodology. That is, the book presents the user-centered Web-design approach from both macrocosm and microcosm points of view, which makes it both recapitulative and practical. The most important key word in Web Usability is "user-centered," which means Web developers should not substitute their own personal preferences for the users' needs. The book classifies Web sites into five types: E-commerce, informational, entertainment, community, and intranet. Since the methods used during Web development differ somewhat depending on the type of Web site, it is necessary to have a classification in advance. With Figure 1.3 on p. 17, the book explains the whole user-centered Webdevelopment life cycle (called "methodology" in this book review), which provides a clear path for Web development that is easy to understand, remember, and perform. Since all the following chapters are based on the methodology, a clear presentation of it is paramount. The table on p. 93 summarizes concisely all types of methods for requirements gathering and their advantages and disadvantages. According to this table, appropriate methods can be easily chosen for different Web site development projects. As the author remarked, "requirements gathering is central to the concept of user-centered design," (p. 98) and "one of the hallmarks of user-centered design is usability testing" (p. 205). Stage 2 (collect user requirements) and Stage 5 (perform usability testing) of the user-centered Web-development life cycle are the two stages with the most user involvement: however, this does not mean that all other stages are user unrelated. For example, in Stage 4 (create and modify physical design), frame is not suggested to be used just because most users are unfamiliar with the concept of frame (p. 201). Note that frequently there are several rounds of usability testing to be performed in the four case studies, and some of them are performed before the physical-design stage or even the conceptual-design stage, which embodies the idea of an iterative design process.