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What is Varnish Cache?

Varnish Cache

Varnish Cache makes websites fly!

Varnish is a web accelerator written with performance and flexibility in mind. Its modern architecture gives it a significantly better performance than competing solutions. Varnish stores web pages in memory so web servers don't have to create the same web page over and over again. Varnish Cache serves pages much faster than any application server; giving the website a significant speed up.



  • Improved User Experience
    Reducing your website's load time will increase the time your users spend at the site. Nobody likes slow website's. Load time speed is a key factor determining users loyalty.

  • Enhanced Resilience Against Failures
    If you should experience problems with your web- or application servers Varnish Cache can continue to serve content that already resides in its cache, protecting your revenue stream.

  • Reduced Power Usage
    Huge savings are made with Varnish, both financially and carbon wise. Serving a page from Varnish takes approximately 1% of the resources of serving it from a scripting language like PHP.

  • Best Product in its Class
    Choosen as a critical component by some of the largest websites in the world, like Facebook, LinkedIn and Twitter.

  • Low Initial Cost, Fast Return on Investment and Low Risk
    Varnish can be deployed on most website's in a matter of days, giving you immediate relief. The support subscriptions are paid on a yearly basis eliminating the need for costly licenses.

  • Unmatched Flexibility
    Varnish Cache has a unique, policy driven configuration language, giving you the flexibility to adapt Varnish Cache's behavior to exactly match your needs. Do you need to serve different content to users using mobile devices or coming from another country? Varnish can handle just about any requirement.


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