When a Page Builder Slowed Our Multisite to 8 Seconds: What I Wish Someone Had Told Me

https://wiki-spirit.win/index.php/Why_your_WordPress_site_feels_slow_%E2%80%94_and_how_managed_WordPress_actually_fixes_it

I remember the day clearly. A client rolled out a brand refresh with a popular page builder across 120 sites on a WordPress multisite network and traffic spiked. Page load times climbed until the average homepage took eight seconds to render