A sluggish Mac is usually not a sign that the hardware has suddenly given up, but that cached data and other temporary files have quietly piled up in the background. Clearing those caches is one of ...

Every website you visit installs trackers onto your computer and slows it down subtly. These are called cookies and cached data, which work to track your activity if you regularly visit the same site.

Protect your privacy in 2026 with our step-by-step guide to viewing and deleting your browsing history on Chrome, Firefox, ...

Every web browser has what's called a cache: a temporary storage space for web pages that syncs online content to your computer or mobile device. This syncing is designed to help websites load up ...

However, as time marches on, the volume of these temporary files can grow unwieldy, leading to a cluttered cache that may do more harm than good. This accumulation can bog down your computer’s ...

Learn how to clear system data on your Mac to free up storage space, improve performance, and optimize your device in just a few steps.

Follow ZDNET: Add us as a preferred source on Google. If your computer desktop looks a little chaotic and you're noticing some performance slowdown, it might be time to do a cleanup. The best way to ...

Khamosh Pathak is a freelance tech journalist with over 13 years of experience writing online. An accounting graduate, he turned his interest in writing and technology into a career. He holds a ...

Mary-Elisabeth is an associate writer on CNET's How-To team. She's a recent graduate of UNC-Chapel Hill's English Department, and resides in Charlotte, North Carolina. On the How-To team, she covers a ...

After it restarts, unplug your Roku TV from the power outlet. This is key. Wait for about 60 seconds. This allows any electrical charge in the capacitors to dissipate, ensuring the cache is fully ...

The iPhone is renowned for its blazing speed, but as fast as an iPhone and iOS 26 may be, there are still situations where your device may begin to act sluggish or feel like it's underperforming.