1.6Key Insight for Interviews

The fragmentation reality is not an argument for testing everything. It is an argument for testing strategically. When asked about mobile testing in an interview, demonstrate that you understand the scale of the problem AND the data-driven approach to managing it. Saying "we test on every device" reveals naivety. Saying "we use analytics to build a tiered device matrix covering 90% of users with 12 devices" reveals engineering maturity.