“…Factors of usability that were introduced in literature agreed mostly to consider usability as the sum of efficiency, effectiveness, learnability and user satisfaction (Aykin, 2016;Bevan et al, 2016;Dubey et al, 2012;Dix et al, 1998;Iqbal et al, 2016;Loureiro et al, 2015;Masa'deh et al, 2016;Nielsen & Landauer, 1993;Nielsen & Loranger, 2006;Usability, 2017). Other studies added more factors such as security (Abran et al, 2003) flexibility (Shackel, 1991), universality (Seffah et al, 2006) and others.…”