What is ESI? Learn about ESI included in AZDIGI Hosting

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What is ESI? Let’s find out with AZDIGI in this article. With the principle of constantly researching and updating new features to bring customers the ultimate experience from AZDIGI Hosting service packages. Recently we have continued to support customers with the ESI feature in LiteSpeed Cache, providing the best caching to give websites optimal and outstanding speed.

What is ESI?

ESI (Edge Side Includes) is an XML-based markup language that allows web developers to specify parts of a dynamic page (e.g., a post content page in WordPress is a dynamic page) into small pieces and process segregation in the website. In a nutshell, ESI will intervene with a publicly-cached page to “punch” and replace it with private-cached content. What is Public Cache and Private Cache? AZDIGI will explain in more detail below.

Public Cache and Private Cache

LiteSpeed Cache is marked tag-based mechanism (i.e., each page that will be cached will be assigned an identifier and allow data to be deleted from the cache from a specific child component). possible), and is divided into 2 parts, Public Cache and Private Cache.

Public Cache you can understand that the cached content that it will display is the same for everyone, for example, in the cache of an article, everyone visiting the website will see the same cached content.

Private Cache is a cache that is reserved for a specific user identified by IP address or session ID.

For WordPress users, most of us have a disadvantage while caching in that cached pages can only be saved as a public cache to be visible to everyone. And in some areas, we will not allow public caching because of private data. And that’s why with WordPress, most of us won’t cache logged-in users. This causes a big obstacle for community-based websites, with a high number of people logging in, which can easily lead to overload.

With ESI, you will solve this. In other words, logged-in users will be cached privately with each person based on session ID, saving hosting resources and of course a better access experience.

How to enable ESI in WordPress Hosting

To enable ESI in Hosting services, you can install LiteSpeed Cache according to the instructions of AZDIGI here!

Now not only with WordPress but LiteSpeed Cache modules/addons for Joomla, OpenCart, Prestashop, Magento and Drupal already have ESI support.

Please contact us for quick support!

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