Learn more about Litespeed Cache ESI. Our Litespeed Support team is here to help you with your questions and concerns.

Litespeed Cache ESI | An Introduction

LiteSpeed Cache ESI (Edge Side Includes) is a dynamic caching technique. It is used with the LiteSpeed web server to boost website performance. It comes in handy when content changes frequently.

Let’s take a closer look at ESI.

An Introduction to ESI

Traditional caching struggles with pages containing dynamic content like usernames or shopping carts. Caching entire pages for all users is difficult as any change means we have to clear the cache for everyone. ESI overcomes this issue by letting us create “holes” in our web pages that represent dynamic content.

Key Advantages of ESI with LiteSpeed Cache

• Static components like headers, footers, and navigation can be cached for extended periods, boosting overall page load speeds.
• Additionally, dynamic sections like login greetings and shopping carts are fetched and inserted into the cached page, ensuring users receive up-to-date information.
• Also, ESI lets us specify how each “hole” is cached. Public content can be cached universally, while private content is cached individually for each user.
• By serving the majority of the page from the cache and only fetching dynamic parts, LiteSpeed with ESI significantly reduces server load and boosts website responsiveness.

LiteSpeed Cache ESI Plugins

LiteSpeed offers Cache plugins for popular Content Management Systems. Also, these plugins integrate with LiteSpeed, automatically identifying areas of our website that can benefit from ESI.

Our experts would like to point out that ESI introduces complexity to our caching setup. In other words, requiring configuration for each dynamic section we want to target.

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Conclusion

In brief, our Support Experts introduced us to ESI.