Due to the exponential increase in the number of mobile devices being used to access the World Wide Web, it is crucial that web sites are functional and user-friendly across a wide range of web-enabled devices. This necessity has resulted in the introduction of responsive web design (RWD), which uses complex cascading style sheets (CSS) to fluidly modify a web site’s appearance depending on the viewport width of the device in use. Although existing tools may support the testing of responsive web sites, they are time consuming and error-prone to use because they require manual screenshot inspection at specified viewport widths. Addressing these concerns, this paper presents a method that can automatically detect potential layout faults in responsively designed web sites. To experimentally evaluate this approach, we implemented it as a tool, called ReDeCheck, and applied it to 5 real-world web sites that vary in both their approach to responsive design and their complexity. The experiments reveal that ReDeCheck finds 91% of the inserted layout faults.
Walsh, T. A., McMinn, P., & Kapfhammer, G. M. (2015). Automatic detection of potential layout faults following changes to responsive web pages. In Proceedings of the 30th International Conference on Automated Software Engineering.
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