Finding the right test persons to represent the target user group, when conducting a usability evaluation is considered essential by the HCI research community. This paper explores data from a usability evaluation with 41 participants with high IT skills, to examine if age, gender, and job function or educational background, has an impact on the amount and types of usability problems experienced by the users. All usability problems were analysed and categorised through closed coding, to group the test persons differently in relation to gender, age, and job function or educational background. The study found that the usability problems experienced across gender, age group and job function or educational background, are approximately the same. This indicates that the usual characteristics of test persons, might not be as important, and opens up for further research in regards to, if users with different skill levels, in regards to internet usage, might be more applicable.