OpenLiteSpeed 1.8.4 / Wordpress Performance

#1
Hello,

I have recently inherited a WordPress site running on OpenLiteSpeed. The previous developer chose this stack, but the WordPress caching was incorrectly configured, which had a noticeable impact on performance. I’ve now corrected the caching setup and I am reviewing additional performance optimisations.

From what I can see, it doesn’t look like any other server-side tuning was done, so I suspect most settings are still at their defaults. I’d like to understand whether there’s further scope to optimise OpenLiteSpeed itself beyond caching. Are there any recommended areas to review for improving web server performance?

For example:
PHP tuning (memory limits, PHP workers, LSAPI settings, etc.)
OpenLiteSpeed-specific performance tweaks
Any best‑practice configuration checks you’d recommend

Essentially, I want to sanity-check the default configuration and see where performance could be improved.

Thanks in advance for any advice.
Matt
 
#2
For a WordPress site, please remember to use the LSCache plugin for WordPress to manage caching instead of relying on cache rules or policies.

As for PHP tuning, it largely depends on your environment and traffic levels. There isn't a one-size-fits-all configuration. If your site isn't showing errors or performance issues, there’s usually no need to adjust anything, since the default settings are designed to work well in most situations.
 
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