---
title: The Complete Guide To User Agents
description: Download our free e-book, all about User Agents - what they are, and how you can use them.
---

# The Complete Guide To User-Agents 2025 Edition

![Untitled-2-01-1](https://info.deviceatlas.com/hubfs/Untitled-2-01-1.png)

## Download the guide to explore:

![OS users](https://info.deviceatlas.com/hs-fs/hubfs/DeviceAtlas_August2021/OS%20users.png?width=91&height=112&name=OS%20users.png)

What is a User-Agent and why is it important in device detection?

![Client Hints](https://info.deviceatlas.com/hs-fs/hubfs/Mobile%20device.png?width=109&height=108&name=Mobile%20device.png)

The impact of User-Agent Client Hints on the real-time bidding space

![web traffic2](https://info.deviceatlas.com/hs-fs/hubfs/DeviceAtlas_August2021/web%20traffic2.png?width=150&height=102&name=web%20traffic2.png)

How User-Agents can enhance your content adaptation efforts.

![Mobile Network](https://info.deviceatlas.com/hs-fs/hubfs/Mobile%20Network.png?width=98&height=75&name=Mobile%20Network.png)

How knowledge of User-Agents can help to manage bot traffic.