If you're a GUI guy, catfish is good. If you're a term guy, fzf, rg, fd are very fast and powerful. I search for files in / (meaning EVERYTHING) and tge results are there in less than 10 seconds.
This blog post has some example usages, read the entries for fzf, rg and fd.
Go for the fun, but your issue is a non issue. I use Zola (built with Rust) and it is very very fast. A full build of ~200 pages takes ~2s and in dev mode, changes are reflected almost instantly.