Safari mouse pointer lag is usually caused by heavy web page load, insufficient system resources, or peripheral problems. 1. The web page content is complex or loaded with too many scripts and advertisements will cause great pressure on the browser. It is recommended to close redundant tabs, use content blocking plug-ins, and reduce extensions; 2. The high resource usage of Mac or overheating will also affect the response. You can check the CPU and memory usage through the Activity Monitor and restart the device if necessary; 3. If all applications are stuck, it may be a mouse or trackpad hardware/driver problem. It is recommended to replace peripherals to test, update macOS or reset trackpad settings. The investigation should start with simple steps and gradually locate the cause.
Safari's mouse pointer is actually quite common, especially when the web page content is complicated or the Mac resource occupies a high level. The problem is usually not caused by Safari itself, but the response delay caused by the superposition of multiple factors. If you also encounter this situation, the following common reasons and solutions can help you troubleshoot.

1. The content of the web page is too heavy and the browser is under great pressure
Now many web pages are loaded with a lot of scripts, animations and advertisements, which will increase the rendering burden of Safari. When you open multiple tabs, especially those with videos, large numbers of images, or JavaScript animations, CPU usage can soar, which in turn affects mouse response.
suggestion:

- Close unnecessary tab pages
- Disable autoplay or use content blocking plugins (such as uBlock Origin)
- Avoid running too many browser extensions at the same time
Even if some websites look "clean", they may perform a lot of operations in the background, such as real-time updates of chat interfaces or tracking scripts. At this time, use other browsers to try to see if there is still lag, which will help determine whether it is a compatibility issue for Safari.
2. Mac system resources are insufficient or overheating is reduced
If your Mac is an earlier model or is running a large application (such as Photoshop, video editing software), the overall performance decline in the system will affect the smoothness of Safari, including the dull mouse pointer.

You can check the following points:
- Open Activity Monitor to see CPU and memory usage
- Check whether the fan is rotating high, indicating that the machine may be overheated
- Try restarting the computer to release memory
Sometimes it is just temporary resource shortage, which can be alleviated a lot after restarting.
3. Trackpad or mouse hardware/driver issues?
Although Safari card is not necessarily a browser problem. You can try switching to Chrome or Firefox to see if the mouse is still stuck. If only Safari has problems, it may be a bug or setup problem in the browser itself; but if all programs are stuck, you need to consider peripheral issues.
Troubleshooting suggestions:
- Mouse replacement test
- Update macOS to the latest version
- If it is a third-party mouse, check if there is a driver that needs to be updated
In addition, the Mac's own trackpad may sometimes cause similar problems due to accidental touch or improper settings. You can go to "System Settings> Mouse and Trackpad" to reset the settings.
Basically these common reasons. Let’s start with the simplest troubleshooting: close a few web pages, restart Safari, check resource usage, and basically locate the problem step by step.
The above is the detailed content of Why is my mouse pointer lagging in Safari?. For more information, please follow other related articles on the PHP Chinese website!

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