LiteSpeed Cache 7.0 is here: The big update in March 2025 - All new features at a glance

On March 25, 2025, the eagerly awaited LiteSpeed Cache Plugin update to version 7.0 has been released. This update not only brings performance improvements, but also far-reaching technical changes and new functions that will benefit website operators and developers alike.

In this article you will learn about all the new features, improvements and important technical changes - presented in detail and optimized for search engines. If you are also interested in current web design trends or the best WordPress themes 2025 you will also find exciting articles on this topic here.

The most important highlights of LiteSpeed Cache 7.0

• AVIF image format for even better image compression
• New minimum requirements: PHP 7.2 and WordPress 5.3
• Cloud authentication now via Sodium Encryption
• Comprehensive optimizations in the crawler, CDN, CLI and ESI
• Greatly simplified QUIC.cloud CDN integration
• New debug and security functions

Image optimization: Now with AVIF support

One of the most outstanding innovations is the support for the modern AVIF image format. Compared to WebP, AVIF offers even smaller file sizes with better quality - ideal for PageSpeed and SEO.

Further changes in image optimization:

• "Soft reset counter" button: Enables a smooth restart of the optimization without data loss.
• More control with new PHP constantse.g. for the number of parallel threads or the forced use of wp_remote_get().
• Automatic forwarding the optimization node when the server environment changes (preview ↔ production).
• WebP header compatibility with the latest Firefox update.

Core improvements: Stability and future-proofing

• Preloading of all plug-in classes to avoid upgrade problems.
• Real-time initialization of the configuration data, instead of delayed during updates.
• Conversion from .ini at .json for better compatibility with server-side restrictions.
• Raising the minimum requirements: PHP ≥ 7.2, WordPress ≥ 5.3.

QUIC.cloud: Simplified configuration and secure authentication

• Domain key removedinstead now Sodium Encryption for authentication and validation.
• Automatic detection of CDN activation directly via the QUIC.cloud dashboard.
• Simplified synchronization: Only relevant settings are transferred.
• CLI commands extended - incl. SSL configuration, status query and direct linking via API.

Cache & Purge: Even more control and hooks

• Targeted deactivation the "Purge All" function (LSWCP_EMPTYCACHE=false).
• Hooks for each individual cache deletion action.
• Bug fixes for PURGE tagging and targeted individual URL deletion.

Crawler: More security, more performance, more control

• Roller simulator reactivated - now only local (127.0.0.1).
• No access for editors or higher roles on simulator settings.
• New PHP constants replace outdated settings - e.g. LITESPEED_CRAWLER_TIMEOUT, THREADS.
• Maximum running time of the crawler is limited to 900 seconds.
• Troubleshooting for .pid-files and incomplete sitemaps.

ESI & Page Optimization: Smart optimization meets security

• Elementor compatibility through new nonces.
• Improved logic for ESI buffers and cookie headers.
• Optimizations to CSS/JS (incl. Google Analytics exclusion).
• Correction at LITESPEED_NO_OPTM-constant error.

CDN & GUI: standardization and usability improvements

• New "QUIC.cloud CDN" tab and online service area in the backend.
• Merging of all crawler settings in one area.
• PageSpeed diagram only visible for cacheable servers.

Debug & developer functions: Better logging, more clarity

• Early debug start for more comprehensive logs.
• Extended CLI commands for QUIC.cloud CDN.
• File name check to avoid errors with object caches.
• Incompatibility warnings from third-party plugins can now be deactivated.

Conclusion: Is it worth updating to LiteSpeed Cache 7.0?

Quite clearly: Yes!
With LiteSpeed Cache 7.0 you get a plugin that is not only technically up to date, but also takes a big step forward in terms of user-friendliness, performance and security.

If you want to further improve your WordPress security, we recommend our article Securing WordPress correctly. For a powerful hosting partner, see also Litespeed Cache Guide on.

Quick tips for your update

• Make sure that you have at least PHP 7.2 and WordPress 5.3 use.
• Test new functions first in a Staging environment.
• Use the new AVIF optimization for maximum loading time benefits.
• If you Plesk you will find help on how to Management of e-mail accounts.