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

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2022-07-05 13:41:43 +00:00
---
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;