puppeteer/website/versioned_docs/version-15.3.0/api/puppeteer.page.emulatenetworkconditions.md
release-please[bot] 01c76b7eb1
chore(main): release 15.3.0 (#8606)
* chore(main): release 15.3.0

* chore: generate versioned docs

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2022-07-01 17:02:54 +02:00

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---
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&lt;void&gt;
## 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();
})();
```