The Complete Guide to User-Agents
What they are, how to read them, and how to use them.
Download the latest version of our User-Agent guide which has been updated for 2023.
- Approaches to User-Agent parsing
- The evolution of the User-Agent string and its associations with fingerprinting
- The impact that Google's User-Agent Client Hints will have on the web
- A comprehensive list of the most common User-Agents