Akamai Technologies, Inc. is a content delivery network or CDN and cloud services provider headquartered in Cambridge, Massachusetts, in the United States. Akamai's content delivery network is one of the world's largest distributed computing platforms, responsible for serving between 15 and 30 percent of all web traffic. The company operates a network of servers around the world and rents capacity on these servers to customers who want their websites to work faster by distributing content from locations close to the user. Over the years their customers have included Apple, Facebook, Bing, Twitter and healthcare.gov. When a user navigates to the URL of an Akamai customer, their browser is redirected to one of Akamai's copies of this website, almost entirely invisible to the vast majority of its users.
Limelight Networks owns and manages a global, private Content Delivery Network. Their CDN, technology and services enable publishers to deliver their digital content on any device, anywhere in the world. As of December 2014, the company's network has over 80 points-of-presence and 11 Terabits per second of egress capacity The company is based in Tempe, Arizona, U.S.A., with offices in San Francisco, Seattle, Boston, New York, Paris, Washington DC, Munich, Mumbai, Delhi, Dubai, London, Seoul, Singapore, Lviv, and Tokyo.