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Joomla is a popular web content system used to manage a variety of websites, from the main pages of small to medium pages corporate. Joomla is free open-source code scripting language based on PHP. This means there is no static HTML pages, each page has to be Data provided in the MySQL database, template and various extensions. This makes it very flexible.

However, this approach has a major drawback. The provision is tame. Each time the page is requested, Joomla has to create from scratch. For each application there are a lot of database queries, reading files and scripts processed. Depending on server load-building process can slow loading page in the browser that can lead to poor user experience. Pages that load slowly, are not frequently visited. As soon as the page being loaded in waiting time, users navigate to the next page.

The form easier to accelerate Joomla sites is to use the cache. This is a process for storing files created pages that load in subsequent requests for the same page. Caching significantly reduces the time to load pages. There are two options for caching in Joomla. One global configuration and one as a plugin from the cache.

The main one is the cache settings in global configuration page. Here you can activate and configure the Cache time. This time is also important because it defines the time after which users will receive new content, if changed since your last visit. This adjustment affect caching of individual modules and component views. Whenever any part of the website is issued is also saved to a file for reuse. This file is maintained for the time specified in the configuration of the cache, the default is 15 minutes. For each module has also value individual with respect to the cache. You can either use the website or disable the global configuration caching module in particular. Surveys, rotating banners and highly dynamic content must not be cached.

The second option is a plug-in system cache. If enabled, this plugin set cache pages. Here you can also define the time after which the cached pages expire. This value may increase significantly the performance of the website, as each page is presented only once during the lifetime of the cache file. However, if the content of your pages is dynamic and changes from a visitor to another, then you probably need to disable this type of caching.

There is also a configuration additional global data transfer speed: GZIP compression page. If enabled, each page is compressed before being sent to the browser. This is an enhancement extra for a faster download.

Joomla provides many interesting features and fantasy. Unfortunately, each additional element increases the time of page creation. Joomla Caching options can significantly reduce page load times and contribute to a better experience user.

The author is a big fan of Joomla CMS. He uses caching even on small websites like JTAG cable. There are only few simple pages about various Jtag topics like Jtag wiggler, software, pinout, etc. Even such simple pages can benefit from caching. Since the content does not change, each page can be quickly loaded from the cached file.

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