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There are rapidly increasing numbers of websites and online services in Thailand which leads to more web content being created daily. Developers should consider the importance of Web accessibility when creating their content. At present, Thai developers have not had much knowledge and experience in developing web accessibility and there is a lack of guidelines and tools available in Thailand. Therefore, the majority of web content which are created by Thai developers are not accessible to those with disabilities. The solution to this problem is to create the Thai Evaluation Criteria which is applicable to Thai Websites as well as creating a tool which will allow developers to evaluate their created web contents. The Thai Evaluation Criteria were created through a series of steps which involved the use of expert reviews and validation, focus groups, and experiments to check the usability of the Thai Evaluation Criteria. This paper explains the WebThai2Access website which allows the users to evaluate websites based on the Thai Evaluation Criteria and which is based on the Web2Access website.
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