# FAQ

We’ve compiled answers to the questions our users ask most often. Choose a category below or use search.

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Didn’t find the answer you need? Write to us: [Contact us](https://docs.proxyshard.com/eng/contact-us)
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### Categories

* [**Residential proxies**](https://docs.proxyshard.com/eng/questions-and-answers/faq/residential-proxies) - questions about working with residential proxies, session generation, IP rotation
* [**Datacentre / ISP proxies**](https://docs.proxyshard.com/eng/questions-and-answers/faq/datacenter-isp-proxies) - questions about static proxies, datacenters, and ISPs
* [**Mobile proxies**](https://docs.proxyshard.com/eng/questions-and-answers/faq/mobile-proxies) - questions about mobile proxies
* [**General questions**](https://docs.proxyshard.com/eng/questions-and-answers/faq/general-questions) - connectivity checks, connection issues, location, and more