![]() mentioned that SLR is a synthesis process of past studies that have been published in different scientific databases focusing on a particular issue. įew studies discussed the importance of systematic literature review (SLR) approaches to present the true insights of a particular topic for highlighting future improvement directions. More recently, a few studies highlighted the importance and emerging need of considering accessibility throughout the web development life cycle. A great volume of literature exists addressing accessibility guidelines in the design and development of web platforms. Lack of consideration of accessibility issues during the design and development might introduce violations of accessibility guidelines and consequently basic rights of people with disabilities. However, in recent years, researchers suggested that accessibility requirements should be followed from the very beginning of the application design and development. Earlier researchers considered accessibility checking as a supplementary requirement in the evaluation phase of any application development. The scientific research community has recognized that web design and development must inspect the assorted number of requirements of citizens across the population, including special needs users and elderly citizens. A detailed description of WCAG is given in Sect. With this mission in mind, WAI launched a set of accessibility guidelines called Web Content Accessibility Guidelines (WCAGs). The current mission of the WAI initiative is to coordinate international, technical, and human efforts to improve web accessibility. This initiative's objective is to ensure accessibility which means people with special needs should be able to access, navigate, interact, and contribute to the information that is available on the Web/Internet, electronic resources/materials, and computer. ![]() Īccording to the World Wide Web Consortium (W3C) and the Web Accessibility Initiative (WAI) report, accessibility is a broad and extensible term associated with people who have disabilities, incompetent skills, or situational-induced impairment. In particular, from the very beginning of the digital revolution, digital resources become the fundamental source for citizens to access information such as education, health care, government, news, and other information such as entertainment and sports. The extension and increased availability of the web for multiple purposes (e.g., information search), the representation of the content (e.g., video, audio), and the emergence of new platforms (e.g., Internet of Things) and technologies (e.g., mobile, computer, tablets) are significant aspects to reinforce the investigation of the digital information platform. In recent years, various aspects have motivated researchers to conduct studies about digital accessibility. The findings of this SLR introduce a new dimension in web accessibility research on determining and mitigating the research gap of web accessibility issues for web designers, developers, and other practitioners. Besides, in this study, we aim to provide a new direction to the web designers and developers with an updated view of process, methods, techniques, tools, and other crucial aspects to contribute to the accessible process enrichment, as well as depict the gaps and challenges that may be worthy to be investigated in the future. To the best of our knowledge, this is the first study focused on the web accessibility literature reporting the engineering assets for evaluation of new accessible and inclusive web-based solutions (e.g., websites). The review of 92 primary studies showed the contribution of publications on different phases of the web evaluation process mainly by highlighting the significant studies in the framework design and testing process. This paper presents a new SLR approach concerning accessibility in the web evaluation process, considering the period from 2010 to 2021. Three systematic literature reviews (SLRs) have been conducted in the context of past research, considering such research focuses. Researchers have investigated how the web evaluation process could be facilitated by including accessibility issues to obtain an inclusive and accessible solution to improve the user experience and increase user satisfaction. Several works of literature contributed to the web evaluation process in recent years to promote digital inclusion by addressing several accessibility guidelines, methods, processes, and techniques.
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