Multisite as a feature is used only by a few percent of the WordPress ecosystem, but millions of users visit the sites it serves. Hosting settings and plugin optimizations enable the scale to power the most prominent sites, from the White House to universities and global brands. I will show you how the most prominent WordPress hosting companies will serve pages https://blog.adobe.com/ and others. How agencies develop for large sites and how you can use Multisite in the most performant ways.