How to clear your MacBook cache (and why it'll do wonders for performance)
Clearing Safari and Chrome cache can fix a slow Mac and free up significant storage space.
ZDNET's senior contributing editor Elyse Betters Picaro published a comprehensive guide on clearing cache to revitalize sluggish Mac performance. The article targets users whose MacBooks feel slow due to accumulated temporary data from browsers and applications. It explains that cache, while initially speeding up load times by storing website elements like images and scripts, can become counterproductive over time, leading to storage bloat, browser glitches, and the infamous spinning beach ball cursor. The guide emphasizes that this maintenance can be done safely using built-in macOS tools without resorting to potentially harmful third-party software.
The piece provides specific, step-by-step instructions for users running macOS 26, focusing on the two primary cache culprits: web browsers and applications. For Safari, users are directed to clear history, cookies, and website data via the History menu. The guide also mentions a developer option to 'Empty Caches' for more thorough cleaning. For other browsers like Chrome and for general application cache, the process involves navigating to specific library folders (~/Library/Caches) to manually delete temporary files. The underlying message is that regular cache clearing is a simple but effective digital hygiene habit, analogous to clearing old sticky notes off a desk, that reclaims storage space and restores system responsiveness for work and school tasks.
- Clearing browser cache (Safari/Chrome history, cookies, site data) can fix slow performance and webpage errors.
- Manual cache cleaning via ~/Library/Caches and browser settings avoids the risks of third-party 'cleaner' applications.
- Regular maintenance frees up storage space and prevents application freezes (the 'beach-ball' cursor) on macOS 26.
Why It Matters
For professionals, this simple maintenance task can resolve persistent slowdowns, freeing up storage and ensuring reliable browser performance for daily work.