The approach to the assessment of validators for studying web-accessibility

A very important aspect of websites nowadays is their accessibility. Thanks to modern, constantly evolving technologies, it is possible to create friendly services for each user, regardless of his state of health. Web sites accessibility may be considered in aspects of their functionality and readability. One of methods for exploring this issue is the use of validators, i.e. automated tests to check the syntax of the documents posted on the Internet. The purpose of this article is to compare the selected tools. The structure of the article is as follows. Firstly, we explain the importance of the accessibility of the web sites. Then we briefly characterize our proposal of validators evaluation criteria for studying web-accessibility and present the results of evaluation of selected validators. Finally, we are presenting conclusions.