Blogs

We’ve retired the HAProxy git.51degrees.com service. We recommend you get started with Version 4 which retains features such as in-memory data upgrades and multi-threading support.

Apple has made it difficult to detect between iPhone devices, and it’s rare to resolve the detection result to one singular model. This blog discusses the different detection methods and what you can do if the iPhone is detected as a group of models.

DLL and GAC errors, blocked requests, or the IIS application pool keeps stopping. This blog provides solutions for some errors you may see if you are using 51Degrees with IIS and .NET Framework.

We’ve updated our predictive algorithm to tolerate corruption in the User-Agent and User-Agent Client Hints data. The changes result in a more accurate device detection.

iOS 17 is due to be released soon and our device detection can now detect the new release. During testing, we spotted a small change to the iOS 17 desktop mode User-Agent that can affect other device detection solutions.

In September, you can meet the 51Degrees team at DMEXCO in Cologne or at Technology for Marketing in London. Let’s chat!

In the next round of device detection improvements to 51Degrees, we’ve improved our data file release schedule.

We’ve improved our device detection accuracy following feedback raised by our customers, and we’re pleased to announce the release of our upgraded algorithm and data files.

The User-Agent reduction has progressed to the final phase. All web device detection solutions that don’t support the User-Agent reduction and User-Agent Clients Hint must now be upgraded if they are to continue to function.

Version 2.6 of the OpenRTB specification introduces the Structured User Agent. This new Object: Device attribute addresses Google’s changes to the User-Agent and the new User-Agent Client Hints.