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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Webbtillgänglighet hos svenska offentliga aktörer : En studie om de vanligaste tillgänglighetsproblemen och utmaningarna kopplat till WCAG 2.1

Bergström, David, Holm, Nicoline January 2022 (has links)
Med hjälp av Internet har världens befolkning kunnat utforska oändligt många tjänster. Denna utveckling har dock lett till barriärer för personer med funktionsnedsättning. På grund av det har World Wide Web Consortium (W3C) tillsammans med Web Accessibility Initiative (WAI) skapat Web Content Accessibility Guidelines (WCAG). WCAG är riktlinjer skapade för att göra webbsidor mer tillgängliga för alla, inklusive människor med funktionsnedsättning. I Sverige finns lagen för digital offentlig service (DOS-lagen). För att upprätthålla denna lag krävs det att offentliga aktörer följer WCAG:s riktlinjer upp till och med nivå AA.Syftet med denna studie är att utifrån WCAG 2.1 få en förståelse över vilka tillgänglighetsproblem som är vanligast och om problemen korrelerar med använt webbramverk. Även de hinder som eventuellt kan finnas kring arbetet runt WCAG är av intresse. Detta för att ge underlag för framtida strategiska beslut för svenska offentliga aktörer för ett lyckat arbete med att uppfylla WCAG 2.1. En kvantitativ undersökning på 30 olika webbplatser har utförts med hjälp av ett automatiskt verktyg och en manuell undersökning av startsidorna. Semistrukturerade intervjuer utfördes med 4 olika offentliga aktörer för att kunna svara på om det finns hinder i arbetet med att följa WCAG 2.1.Resultatet beskriver de tillgänglighetsproblem som finns på de olika webbplatserna. Av kriterierna som undersöktes automatiskt var de vanligaste överträdda [1.3.1] som menar på att man ska använda HTML-element på ett korrekt sätt så innehåll kan presenteras, [4.1.1] som ska se till att koden valideras samt [4.1.2] som menar på att man ska se till att anpassade komponenter fungerar i hjälpmedel. Den manuella undersökningen visade de vanligaste överträdda kriterierna var [1.4.10] som menar på att man ska skapa en flexibel layout som fungerar vid olika skärmstorlekar och [3.3.3] som menar på att man ska kunna ge förslag på hur inmatningsfel kan rättas till vid olika sökfunktioner. Resultatet pekade även på att en korrelation mellan valt webbramverk och antalet webbtillgänglighetproblem inte existerade. De semistrukturerade intervjuerna kunde fastställa att det fanns en del utmaningar vid arbetet runt WCAG 2.1. De största orsakerna var kopplade till budget och resurser men också okunskap och inställning till WCAG. En annan utmaning var även kopplad till kompetens vid nyrekrytering. / With the help of Internet the world’s population have had the opportunity to explore the different services Internet has to offer. Although this amazing development has been advantageous to many people it has created barriers for people with different disabilities. Because of this the World Wide Web Consortium (W3C) together with the Web Accessibility Initiative (WAI) have created Web Content Accessibility Guidelines (WCAG). WCAG are guidelines for making web pages more accessible for everyone, including people with disabilities. In Sweden there is an existing law called the law of digital public service. This law demands public authorities to have accessible web pages and follow the WCAG guidelines up to level AA.The purpose of this study is, from the perspective of WCAG 2.1, to get an understanding of which accessibility problems that are most common and if there is a correlation between these problems and used web frameworks. The challenges that eventually exist around the work with WCAG 2.1 are also of interest. The purpose of this is to give basis for future strategic decision-making for Swedish public authorities. The methods that were being used during the study were both qualitative and quantitative. The quantitative research on 30 different web sites was executed with the help of an automatic testing tool and manual research of the start pages. Semi structured interviews were conducted with 4 different public authorities to find answers if there were any difficulties with the implementation of WCAG 2.1.The result describes the accessibility problems that exist on the different webpages. Of all the criterions evaluated in the automatic research, the most violated criterions were [1.3.1] which means to use HTML elements correctly so that content can be presented, [4.1.1] to make sure that the code validates and [4.1.2] to make sure that custom components work in assistive devices. The manual research showed that the most common criterions were [1.4.10] which means to create a flexible layout that works at different screen sizes and [3.3.3] which means that is should be possible to give suggestions on how errors can be corrected in different search functions. The result gave indications that there was no correlation between web framework used and amount of accessibility problems. The semi structured interviews concluded that there were many difficulties with the implementation of WCAG. The biggest reasons were connected to budget, resources, and attitude towards WCAG. Another challenge was connected to the amount of competence on WCAG when recruiting new employees.
2

Implementationen av tillgänglighetsriktlinjerna på kommersiella och statligt ägda företag : En kvantitativ studie om tillgänglighet / The implementation of the accessibility guidelines in commercial and state-owned enterprises : A quantitative study on accessibility

Lundberg, Lisa January 2023 (has links)
The internet is an important source for people to access news and other important information that can be crucial for their daily lives. Previous research has shown that accessibility guidelines are not prioritized in many businesses and that knowledge of the fact that increased accessibility benefits all users is limited. This study focuses on the implementation of WCAG on landing pages for commercial and state-owned companies. The study had some limitations that led to only the landing pages being examined and not the entire website, which may be considered insufficient. But since a person in need of an accessible website needs to feel welcome and understood already on the landingpage, an examination of the landing page gives an indication of how the entire website relates to accessibility. A statistical, descriptive analysis has been used as the method for data analysis. The descriptive method was used to create visual representations of the dataset through box plot diagrams. The boxplot-diagrams provide a simple visual presentation of the data's distribution, central values, and deviations. The analysis shows significant differences in accessibility levels on the landing pages for commercial and state-owned companies. State-owned companies perform better with fewer elements that do not meet WCAG guidelines and higher contrast differences compared to commercial companies. This indicates that commercial companies need to improve accessibility on their landing pages, especially when it comes to meeting WCAG guidelines on contrast.

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