Guide97.5K views4,763 votes0 replies3,697 following
Diagnosing Slow Zsh Startup with zprof: From Symptom to Fix
A new terminal tab that takes a second or more to show a prompt usually means your zsh startup files, not zsh itself. Use the built-in zprof profiler to find the culprit, then apply targeted fixes: compinit caching, lazy-loading version managers, and PATH deduplication.