applications. However, there is substantial work being done on client-side Web Accelerators for Application Delivery Networks by several companies including Cisco Systems and F5 Networks as the demand for SaaS and PaaS look set to grow among small and medium enterprises. List America Online Netscape ISP Google Web Accelerator (discontinued) Heigh Speed (discontinued) NetJet (discontinued) OnSpeed (discontinued) Polipo (not maintained) Squid WinGate Ziproxy Web server accelerator Other web accelerators are targeted at the web site or web application owners. This type of web accelerator is installed in front of web servers and application servers and use a variety of the above techniques to improve performance to all users accessing the accelerated web sites or web applications. Web server accelerators are sometimes referred to as reverse proxies or Application Delivery Controllers. This type of server side accelerator has the added benefit of off-loading transactions and connection managements from the web or applications servers and hence, reducing its CPU utilization and increasing web server or application scalability to handle more users with less bandwidth. List aiScaler Apache Traffic Server Apache HTTP Server CACHEbox Caddy lighttpd nginx Polipo (not maintained) Squid Varnish Ziproxy Client–server There may be two sections to the proxy as well - a server portion sits in front of the web server and captures the input and output from the server and a client portion sits in front of the end-user's web browser to capture the input and output from the browser. An example would be Opera Turbo. See also Content delivery network InterPlanetary File System - makes web accelerators redundant References External links