As an Emacs user, your configuration can easily grow from a few lightweight adjustments to a massive, hundred-package IDE. Without careful management, Emacs startup time can degrade from sub-second execution to several seconds, or minutes, in the worst cases. Eager package loading is one common source of startup overhead. This guide explains how Emacs loads libraries, how use-package configures package loading, and how deferred loading can reduce startup time. Before we dive in, please consider sharing this article on your website, blog, Mastodon, Reddit, X, Linkedin, or other social media platforms. Why does Emacs startup get slow? A naive package … Continue reading →