Is your initial hosted anywhere? I'm interested in how you implement that.

No, the configuration is private. At this point, many of the tricks are well known, so you probably don't need to see my config to get a fast emacs. Here is a great starting point: https://www.reddit.com/r/emacs/comments/f3ed3r/comment/fhicv...

The maintainer of Doom responded with a good list of improvements that he uses in his distribution to achieve fast startup. If you transplant all of them into your configuration, your startup time would probably be 1-2 sec.