If you're putting together an advanced Page with multiple WebApp or Module lists, it can slow down the Server Response Time performance metric. 

Fragment Caching, when used sparingly, can provide a solution to this. Better still, it can be implemented in the Admin without any need for Siteglide-CLI. 

https://siteglide.support/en/articles/3580611-getting-started-with-liquid-caching-to-reduce-server-response-time-and-improve-performance