2022-07-05 12:42:31 +00:00
---
sidebar_label: Page.emulateNetworkConditions
---
# Page.emulateNetworkConditions() method
**Signature:**
```typescript
class Page {emulateNetworkConditions(networkConditions: NetworkConditions | null): Promise< void > ;}
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| networkConditions | [NetworkConditions ](./puppeteer.networkconditions.md ) \| null | Passing < code > null</ code > disables network condition emulation. |
**Returns:**
Promise< void>
## Remarks
NOTE: This does not affect WebSockets and WebRTC PeerConnections (see https://crbug.com/563644). To set the page offline, you can use \[page.setOfflineMode(enabled)\](\#pagesetofflinemodeenabled).
## Example
```ts
const puppeteer = require('puppeteer');
const slow3G = puppeteer.networkConditions['Slow 3G'];
(async () => {
const browser = await puppeteer.launch();
const page = await browser.newPage();
await page.emulateNetworkConditions(slow3G);
await page.goto('https://www.google.com');
// other actions...
await browser.close();
})();
```
