Mobile Network and Low-End Device Performance Test Plan
Plan tests under realistic constraints.
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Plan realistic performance testing for users on slow networks and weak devices. Audience, regions, and devices (from analytics if available): [AUDIENCE_DEVICES_NETWORKS]. Critical journeys: [CRITICAL_JOURNEYS]. Tools I can use: [TOOLS]. Return tables: 1. Test profiles: Profile | Device class | CPU throttling | Network (latency and bandwidth) | Why it represents my users. 2. Test matrix: Journey | Profile | Metric (time to first content, largest content, interaction delay, layout shift, total transfer, JavaScript execution time) | Target | Measured | Pass or fail. 3. Method: lab testing steps with throttling, real device checks, field data sources, and how to repeat runs and report medians. 4. Common failures on slow devices and the checks for each (large scripts, third-party tags, heavy images, fonts, animations, long tasks). 5. Reporting template: results, screenshots, filmstrip, top three fixes, and re-test date. Provide a one-page test protocol for a person who has never done this, and a list of real-world conditions that lab tests miss (battery saver mode, storage nearly full, background apps). Targets should be justified, not copied from generic benchmarks.
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