Claimed to block 3rd-party extensions and customisations from loading, check the startup disk, and to clear some system caches. When and why should you use it?
cache
Speed up your hard disk by partitioning it so that its innermost 20% remains unused. Reserve space for the SLC write cache on an SSD by limiting the size of volumes.
Covering thermal throttling, extended coverage of SLC write cache depletion and how long it takes to empty the cache, Trimming, and more.
It turns out that the Finder is just retaining all those image thumbnails in its memory for 2-3 days after you last browsed them. Is this what we want?
What does Safe mode do to all those service caches managed by CacheDelete? Does it still check your boot disk too?
Performed by CacheDelete, it first looks at a wide range of macOS caches, and only at the end purges snapshots, to free up space when it runs short.
They’re everywhere: whatever you do, something somewhere will cache it. Later that can cause puzzling problems, but makes our Macs faster as a result.
Invaluable tool for identifying and locating some problems, for troublesome updates, clearing caches and more.
They contain recently browsed web pages, ARM code translated from Intel executables, security data, font information, and much more. And they can cause problems.
It has been one of the oldest problems on Macs, when a document shows with the wrong icon. Why, and how to fix it?
The Eclectic Light Company 