The similar result was shown when evaluate the same web pages with TAW. All pages fail
to meet WCAG. TAW reported that the common correction was perceivable (53%) followed by
robust (26%) and operable (15%) (Figure 2). The most errors were critical as they related to
perceivable principle in WCAG. The problem is solved by the awareness of web developers when
they design web contents. For example, WCAG suggests that text alternatives should be provided
for non-text content [29]. Screen reader attempts to identify and interpret what is being displayed
on the screen for people who are blind or vision impaired. Therefore, if web developers provide
text alternatives in non-text so that screen readers can read any web contents that mean people
who are blind or vision impaired can access to all information on websites
accessibility standard.