51Degrees launches the 51Degrees UAParser – supporting User-Agent Client Hints

Reading, UK – Feb 21, 2023. 51Degrees announces the release of the 51Degrees UAParser. The product is open source and builds upon the popular UAParser.js package, providing support for User-Agent Client Hints and Apple iPhone model detection.

Unlike other available User-Agent parsers, the 51Degrees UAParser does not rely solely on a deprecated User-Agent HTTP header. Instead, the product uses all available evidence from both the User-Agent and User-Agent Client Hints HTTP headers to detect the device. This dual support is important as Google is gradually removing device model information from Chromium-based browser User-Agents, instead placing device model information within the User-Agent Client Hint headers.

Utilizing the 51Degrees Device Detection service which has greater than 99.9% accuracy, the 51Degrees UAParser can reliably detect Apple iPhone device models – which are notoriously hard to detect via the User-Agent.

About 51Degrees: 51Degrees was launched in 2010 and is now a global leader in device detection, offering high-speed device detection with pinpoint accuracy, a highly optimized data file footprint, and robust API's. Other services include Geolocation and TAC intelligence. 51Degrees is headquartered in Reading, Berkshire, and services a worldwide customer base.

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Contact information:
Kirstin, Marketing Assistant.
Email: marketing@51degrees.com