51Degrees at a Glance

51Degrees works with existing CMS, analytics solutions, databases, and web infrastructure

We help designers, creators and business leaders like you make amazing website experiences based on responsive design principles.

Our software helps teams like yours to reduce both the cost and time involved in creating, testing and deployment of mobile websites, which means the tech never gets in the way of the user experience.

We’re trusted by millions of people.

We know because over 1.5 million active deployments in virtually every country around the world use our device detection software day in and day out. Our active customer community tells us what they need and we work hard every day to deliver on our promises. Big brand customers include Unilever, eBay, Microsoft, IBM, Hyundai and T-Mobile use 51Degrees.

We are THE fastest and the most accurate device detection service there is.

This may be easy to say (and for others to claim!), but our evidence is not in dispute. Our accuracy comes from our device combinations database – at over 150,000 (and growing) it’s the largest. It’s not locked up in a vault designed for the last decade or getting dusty on a shelf - it’s checked and updated every day, because we know that over 150 devices are launched worldwide every week. Our performance speeds are awesome too. We go direct, avoiding clouds for real time device detection. Capable of more than 5 million detections a second we're the fastest available.

  • Device Detection

    51Degrees is THE most accurate and fastest device detection solution helping more than 1.5 million web sites improve ROI with mobile and multi screen.
  • Image Optimiser

    51Degrees solves the problem of image optimisation by precisely sizing a single master hi resolution personalised image to ensure the minimum amount of data is sent to the device increasing page performance and improving user experience.
  • Enhanced Web Site Analysis

    Many web site analysis solutions lose physical screen size data and other important attributes when they aggregate reports by mobile, tablet or desktop. 51Degrees Enhanced Analytics provides this missing information, along with other key insights about the device such as it's retail price, who makes it and how quickly your pages are displayed to your users.
  • Performance Monitoring

    With 51Degrees Performance Monitoring tools you'll know in detail how your web site is performing. Not only can you track individual connection speeds and bandwidth rates, you can also monitor page response times, by device, by browser and by screen size.
  • REsponsive web design - Server Side (RESS)

    Responsive Web Design (RWD) performed server side, often termed REsponsive Server Side (RESS), provides significant benefits over pure client side only RWD.
  • Online Store

    Purchase 51Degrees device data subscriptions and other products and services.
  • Company Background

    A background to 51Degrees, what we do and how we do it.
  • Company News

    Information ranging from details about the latest devices, to major achievements, new 51Degrees products and opinion on industry trends.
  • Executive Team

    Profiles of the three key members of the 51Degrees Executive Team.
  • Image Library

    Logos and corporate images useful to press, bloggers and affiliates.
  • Job Vacancies

    Page lists all current job vacancies at 51Degrees.