12/5/2023 3:30 PM
Retiring the git.51degrees.com server
We no longer support the code base or data file format
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.
10/11/2023 12:00 PM
Update to the 51Degrees predictive algorithm
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.
7/6/2023 2:00 PM
We now release data files on Fridays
This change has been in effect since Friday 30 June 2023
In the next round of device detection improvements to 51Degrees, we’ve improved our data file release schedule.
6/7/2023 4:30 PM
We’ve improved our device detection accuracy
Better detection without compromising performance
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.
1/5/2023 2:15 PM
51Degrees: 2022 recap
Google's changes to the Chrome User-Agent dominated our year
As we begin a new year, let's look back at what 2022 had in store for 51Degrees.
8/1/2022 1:00 PM
Usage sharing: how do we use your data
This feature can help improve our machine learning algorithm
We encourage users of our service to enable usage sharing so that our algorithm can discover new or rare devices. This blog delves deeper into what we do with the data you provide through usage sharing.
6/14/2022 5:00 PM
Updates to User-Agent Client Hints: 51Degrees Version 4.4
Full User-Agent Client Hints support is now available
Version 4.4 of the 51Degrees service, which contains full User-Agent Client Hints support, has now been released. Find out more about the changes and how to get started with UA-CH support.
2/7/2022 11:00 AM
Optimize by Device & Location: our new WordPress plugin
Using WordPress to host your website? It just got easier to enrich your website with real-time data
The free 51Degrees Optimize by Device & Location WordPress plugin allows website owners to seamlessly integrate our real-time data services onto their WordPress site. Gather more insights into your website visitors and provide locally relevant content with ease.
12/7/2021 4:00 PM
51Degrees welcomes Jo Rabin as Chief Technology Officer
After many years as an advisor to 51Degrees, Jo now joins us as the Chief Technology Officer (CTO).
11/8/2021 2:30 PM
51Degrees GitHub labels explained
Resolving technical support with transparency on GitHub
Ever had a technical or support question on our service? Head on over to our GitHub profile to open an issue on the relevant repository.