Tuesday, December 20, 2011

Varnish and Joomla - how does it work?

Our most popular product, Varnish-Joomla integration, makes your website fly fast. But how does it achieve its goal?

Most visitors to virtually any website are anonymous visitors. These people don't log in, don't interact, they just view your content. In an e-commerce store they may be visitors who didn't buy anything. On a forum website they may be people who have found some thread on Google, read it and forget about it. On a newspaper site, readers who don't leave comments and don't have an account are considered anonymous visitors.

These visitors generate the most traffic. But they are also the easiest to handle, because all they want to do is read your content - so why serve their pages using full Joomla - PHP - MySQL - Apache stack, if they don't really utilize any of these in full?

We took advantage of that fact and we serve content to such users before they reach Joomla. We put a piece of software in front of Joomla which serves content to anonymous visitors from a very fast cache. If it encounters a visitor who's logged in, it forwards his request to Joomla so he gets a full experience.

If you don't believe - check the numbers. Varnish makes Joomla fast.

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