YouTube glitching can be caused by various factors, including poor or unstable internet connections, outdated web browsers or YouTube app versions, excessive cache and cookies, corrupted app data, and insufficient device resources like RAM or storage. Video card incompatibility, interference from ad blockers, and simultaneous background processes using internet or device resources can also cause glitches. For mobile devices, outdated apps or operating systems may create compatibility issues. If YouTube is glitching, typical fixes are to restart your device, clear cache and cookies, update your browser or app, check your internet speed, and disable ad blockers if needed. Sometimes, YouTube itself experiences outages or technical glitches affecting many users worldwide, causing widespread video playback problems temporarily. Thus, YouTube glitching can be either device/browser-related or due to platform-side issues.

For immediate action, try restarting your device or app, clear cache and cookies, update your software, and verify internet connection stability. If glitches persist, check social media or outage trackers to see if YouTube is experiencing a service disruption.