Zero-downtime WordPress Hosting Upgrades: How to Actually Move Up Without Interrupting Your Site

https://www.fastbookmarks.win/when-one-compromised-client-site-causes-all-your-sites-to-get-flagged-by-google-what-agencies-should-do

Marketing for hosting often promises "no downtime" upgrades like it's a simple checkbox. In practice, moving a WordPress site from one plan to another without interruption requires planning, the right tools, and realistic expectations