The print-on-demand service that I’ve chosen for my book has a fairly nice web user interface with lots of Ajax code. Generally, that web application is one of the best aspects of doing business with them. That’s why I was surprised to find a rather amateurish flaw in their shopping cart. Here is the screenshot:
Notice the “do not click Place Order more than once” message. Someone has obviously identified that customers have been clicking more times than needed, but offering a warning message is not the way to solve the issue. In fact, such a message is a huge warning signal that something is wrong.
I'm Gojko Adzic, author of Impact Mapping and Specification by Example. To learn about discounts on my books, conferences and workshops, sign up for Impact or follow me on Twitter.
Join me at these conferences and workshops:
- London, UK, Spec by Example Workshop, 2-3 December
- London, UK, Product Owner Survival Camp, 20-21 January 2014
- Toronto, Canada, Agile Tour, 29 October
- Lille, FR, Agile Tour, 7 November
- Gothenburg, SE, Brewing Agile, 8 November
- Riga, Latvia, Specification by Example Workshop, 11-12 November
- Stockholm, SE, Specification by Example workshop, 14-15 November
- Copenhagen, DK, Specification by Example workshop, 20-21 November
- London, UK, BDD Exchange, 22 November
- Paris, FR, Specification by Example workshop, 28-29 November
- London, UK, NDC, 5 December
- Helsinki, FI, Software development Summit, 9-11 December 2013