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AdSupplyAdSupply Inc. is a US based online ad network specializing in rich media content. They reach over 50 million active daily consumers and have close to a billion impressions per month on their network. They work with a wide range of advertisers on complex campaigns that deliver anything from online video to full landing page interstitials. Consequently they have developed a powerful targeting system in their platform to ensure that views are provided to the users they are the best fit for.


The growth of mobile web means that advertisers want to effectively present their content to a fast growing number of smartphones and tablets, all with different screen size and capabilities. However AdSupply’s content is much more complex than simple banner images. They have a sophisticated framework of delivery technology utilizing Javascript, HTML5, Flash and more. In order to deliver a great experience for mobile users it was essential to recognize hundreds of different properties for mobile devices and seamlessly integrate this data into their platform.


AdSupply shortlisted suppliers of mobile device data and undertook a complete evaluation based on:

  • reliability of the device lookup
  • depth and language of the API
  • performance of the API
  • ease of integration
  • frequency and ease of database updates
  • cost


Integrating 51Degrees Premium Device Data in their network enabled AdSupply to deliver rich media content to mobile devices, without compromising the speed and reliability demanded by their clients. In fact less than 1 millisecond has been added to the total response time. James Rosewell, CEO 51Degrees said “Our products have been designed to work for hobbyists using WordPress blogs to the largest web sites in the world. I’m delighted AdSupply are the first major advertising network to make the switch to 51Degrees.mobi”.

About 51Degrees

51Degrees was founded in 2009 by James Rosewell and is the home of THE fastest and most accurate Device Detection software commercially available. Originating from the 51Degrees Open Source Foundation project, over 1,500,000 websites now use 51Degrees to detect mobile devices and redirect initial requests to a mobile friendly home page optimized for the user.

The company serves many of the world’s leading brands including Unilever, EBay, Microsoft, IBM, Hyundai and T-Mobile, and as well as its flagship device detection software, the product portfolio spans responsive web design tools, image optimization and enhanced analytics.

Based in Reading, UK, the company name originated from its geographical latitude at 51 Degrees. Since launching the company in 2009 51Degrees has expanded rapidly and its software is deployed in over 200 countries across every continent around the world.