...
The filter tab originally had radio buttons and an option for 'All,' but the heuristic evaluations correctly pointed out that check boxes would make more sense and provide greater flexibility for the user. We also added an input field at the top of the page that would allow the user to search a new zip code without having to return to the previous page (this improves efficiency).
Call now
One of our heuristic evaluators pointed out that we could improve efficiency by remembering what number a user entered previously and then having that number filled out automatically the next time the user decides to make a call. We added a cookie that accomplishes this.
Schedule a call
The cookie mentioned in the previous section was also implemented on this screen.
Record a voicemail
Because the voicemail recording widget as flash based, it loaded slightly after the rest of the page leaving the user guessing about what to do for a small but still noticeable period of time. We added a loading symbol to account for this. Furthermore, the heuristic evaluation mentioned that users could submit without recording first, so we fixed that as well.
...