Blogs
12/2/2025 9:30 AM
Version 4.5 Launch
51Degrees launches version 4.5 of Device Detection and introduces IP Intelligence.
Discover the latest features and improvements in Device Detection and IP Intelligence here.
12/1/2025 12:00 PM
Move Beyond Crude A/B Testing
Maximizing technology investment in the real world requires continuous optimization.
Changing just one of these dimensions whilst forcing the others to stay the same is simply not practical in the real world of business.
51Degrees recommend continuous optimization with the most location, device, human (or bot), and network data available to adapt and thrive.
11/27/2025 5:30 AM
IP Location Confidence
All IP to location solutions are inaccurate. 51Degrees LocationConfidence gives you an edge.
No IP intelligence solution, including 51Degrees, is going to locate the exact latitude and longitude of a device in practice.
We provide LocationConfidence to help you make smarter decisions and handle the inherent inaccuracies when working with IP address and location.
11/24/2025 11:30 AM
Why IP addresses are not always personal data
IP addresses can be both personal and non-personal data depending on the entity that holds the data and the contractual restrictions in place.
IP addresses can be both personal and non-personal data depending on the entity that holds the data and the contractual restrictions in place.
This article explains the considerations and what to do to make your processing as safe as possible.
11/13/2025 4:30 PM
Performance Matters
In process and in memory real time IP and User-Agent data to eliminate network latency.
All 51Degrees solutions are written in C code for optimum performance. Data structures are optimized for efficiency and rapid start up times.
In addition to the best ISO 9001 and 27001 accredited processes, applications that use 51Degrees also enjoy the widest range of deployment options.
11/4/2025 2:30 PM
Smarter Data Better Results
Discover how 51Degrees is upgrading its data files for improved performance.
Get the details on the latest updates designed for greater speed, accuracy, and reliability.
10/7/2025 3:30 PM
Environment Compatibility Testing
Understanding how 51Degrees ensures reliability across diverse environments and what it means for your setup.
This blog explains how 51Degrees test libraries in different OS, CPU, and language environments to provide different levels of reliability and performance. You’ll learn how testing is automated, how to handle non-tested environments, and how Priority Support can help you with systems integration.
10/6/2025 5:30 PM
When is a User-Agent version not a version?
51Degrees' approach to Operating System and Browser versions
51Degrees' data team don't just research device models, they also check with the Operating System, Browser, and Application vendor that the reported version is official before a result for PlatformVersion and BrowserVersion is returned.
9/19/2025 2:30 PM
Apple Freezes User-Agent Strings
What freezing iOS User-Agent means for device detection
Find out what Apple's newly released iOS 26 and Safari 26.0 mean for device detection.
9/11/2025 2:30 PM
51Degrees Lands at DMEXCO 2025: IP Intelligence Goes Live
Join us in Hall 6 (T016a) as we launch IP Intelligence alongside Device Detection.
51Degrees is at DMEXCO 2025 with our new IP Intelligence + Device Detection. One API call answers: human, location, device. See us in Hall 6 (T016a).