An HTTP accelerator, also known as a caching reverse proxy. It can increase the speed of a website, while reducing the load on the web server. Depending on the architecture, it can speed it up with a factor of 300 to 1000 times. The tool is also very fast, flexible and reliable.
|Developed by||Poul-Henning Kamp, Redpill-Linpro|
|Latest stable version||Varnish 5|
|Used by||Columbia University, Dyn, Filmtools|
Many social media and news websites use Varnish, as those are generally overloaded.