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The complete guide to User-Agents

We have released our latest whitepaper, the Complete Guide to User Agents.

Inside, you'll find information about what user agents are and how they can be used to further your content optimization and ad-targeting.

  • What is a User Agent?
  • How does User Agent parsing work?
  • What can you do with User Agents?
  • How to build a Regex device detection solution.
  • How to use a third-party solution.
  • Locally installed device detection.
  • A list of the most common User Agents.

HTTP Header Parser

Visit our HTTP Header Parser to check what DeviceAtlas returns for HTTP headers. You can paste in any headers (or just a user-agent string) or click current browser headers to return results for your browser. Client Hints headers are utilised where present, including hints from first and second requests.. For even more properties, you can sign up for a free trial account.

The User-Agent string is very useful because it gives you information about the software and hardware running on the device making the request. You can make important decisions on how to handle web traffic based on the User-Agent string, ranging from simple segmentation and redirection, to more complex content adaptation and device targeting decisions.

Even more information, such as carrier ID, screen resolution, CPU and storage capacity can be returned when the User-Agent string is mapped to an additional set of data, returned in real-time.

Download whitepaper