puppeteer/docs/api/puppeteer.page.emulatecputhrottling.md

---
sidebar_label: Page.emulateCPUThrottling
---
# Page.emulateCPUThrottling() method

Enables CPU throttling to emulate slow CPUs.

**Signature:**

```typescript
class Page {emulateCPUThrottling(factor: number | null): Promise<void>;}
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  factor | number \| null | slowdown factor (1 is no throttle, 2 is 2x slowdown, etc). |

**Returns:**

Promise&lt;void&gt;