# Why is my Mac slow?

> A slow Mac is usually memory, one busy app, macOS catching up after an update, or heat. These guides show how to tell which, from real readings.

Web page: https://trybondi.app/blog/topic/slow/

- [Why is my Mac so slow? How to find the real cause](https://trybondi.app/blog/why-is-my-mac-slow/) - Mac running slow? It usually comes down to one of a handful of causes. Here's how to tell which one it is, with real readings from a real MacBook Pro.
- [Why is my Mac slow after a macOS update?](https://trybondi.app/blog/mac-slow-after-update/) - Mac slow after a macOS Sequoia or Tahoe update? It's re-indexing Spotlight, re-scanning photos and syncing iCloud. Here's what's running and how long it lasts.
- [Is Spotlight indexing slowing down your Mac?](https://trybondi.app/blog/spotlight-indexing-slow-mac/) - When mds_stores and mdworker are busy, Spotlight is rebuilding its index. Here's how to tell, how long it lasts, and how to keep folders out of it.

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Bondi is a native macOS system monitor with on-device AI. It tells you why your Mac is slow, in one plain sentence. https://trybondi.app/