Using Charles for Network Throttling in Mobile Development
This guide explains how to install and configure Charles to simulate slow or high‑latency mobile networks, including enabling throttling, selecting presets, and restricting throttling to specific hosts for effective app performance testing.
1. Installation and cracking of Charles 2. Mobile HTTP/HTTPS These topics have been previously covered; you can follow the public account at the bottom for related materials.
When developing mobile applications, it is often necessary to simulate slow or high‑latency networks to test whether the app behaves correctly under mobile network conditions. Charles provides excellent support for this requirement.
In Charles, choose Proxy → Throttle Setting , then in the dialog enable Enable Throttling and set the desired Throttle Preset type, as shown in the image below:
If you only want to simulate a slow network for a specific website, check the "Only for selected hosts" option and add the desired hosts in the lower part of the dialog.
Follow the public account to obtain more testing and learning resources.
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