I got 3 seconds. But that isn't 3 seconds to serve the page. That's 3 seconds to basically build and boot the "server" on-demand, start all necessary daemons

I got 3 seconds. But that isn't 3 seconds to serve the page. That's 3 seconds to basically build and boot the "server" on-demand, start all necessary daemons and serve the page. Now think about what happened when you needed to add a Web server 10 years ago.