Blogs

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.

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.

Find out what Apple's newly released iOS 26 and Safari 26.0 mean for 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).

This blog outlines a key privacy change coming with Android 16: User-Agent (UA) Reduction for Android WebView. Apps using WebView will no longer reliably detect device models or OS versions, which could impact analytics, targeting, and content optimization.

As we step into 2025, the future has never looked brighter for us at 51Degrees. But before we unveil some thrilling news, let’s take a moment to reflect on our journey through 2024.

The UK bank holidays will affect our data file and support availability. This blog details key dates for 2024-2025.

Calling probabilistic identifiers implies wrongdoing, but sharing such data isn’t illegal unless it's used to make impactful decisions about individuals.

The new 51Degrees Bluetooth properties provide separate identifiers for Bluetooth versions and profiles, enabling precise categorization of device support, such as identifying Low Energy (LE) capability regardless of Bluetooth version.

The blog discusses how strict Content Security Policy (CSP) settings blocked 51Degrees' device detection script, which required 'unsafe-eval' for dynamic JavaScript execution. The solution was to temporarily enable 'unsafe-eval' to restore functionality while managing security risks.