# why-is-my-project-starting-to-lag-and-become-slow

> Learn to reduce project lagging in Coohom by simplifying models and enhancing performance. Follow these steps to streamline your design process. Start designing now.

- **URL**: https://www.coohom.com/helpcenter/why-is-my-project-starting-to-lag-and-become-slow
- **Locale**: en_US
- **Updated**: 2025-12-03

## Content

Some users will come to service team to complain that their project starting to lag and become slow that make difficulty during design.

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Target User: All users
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To solve this issue:

step1: select the simplified model display mode in Profile icon-preference-3D Desgin as shown in the screenshot below.

![](//qhstatic-sg-s3.coohom.com/image/png/1746294799299/926E0F56EF050227DAD1D628C0456BBA.png)

Step2:Select performance first from display mode as shown in the screenshot below.

![](//qhstatic-sg-s3.coohom.com/image/png/1746294913828/90CC925A48C782081966D0B0CF9EE7C3.png)

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*What is the reason for this?*

*When the project is too big or has too many complex models can cause this kind of lagging.*

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