ultimike, The coolest thing I know about the #drupal core BigPipe module is that you don’t need to have the Internal Dynamic Page Cache module enabled to use it (counter-intuitive, I know).
Here’s a bunch more about BigPipe from “Editor” 🤦🏽♂️ at Golems.
https://gole.ms/blog/enhancing-site-performance-drupals-bigpipe-module