The Varnish Glossary

This glossary includes terms and definitions that are used throughout Varnish Software®'s website and products.

What is Varnish?

Varnish is a web application accelerator also known as a caching HTTP reverse proxy. You install it in front of any HTTP server and configure it to cache the contents. Varnish Cache is really, really fast. It typically speeds up delivery with a factor of 300 – 1000x, depending on your architecture.

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The Varnish Book™ is really the comprehensive, nitty-gritty technical document for all things Varnish.

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