1.2 KiB
1.2 KiB
Home > puppeteer > Page > emulateNetworkConditions
Page.emulateNetworkConditions() method
Signature:
emulateNetworkConditions(networkConditions: NetworkConditions | null): Promise<void>;
Parameters
| Parameter | Type | Description |
|---|---|---|
| networkConditions | NetworkConditions | null | Passing null 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
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();
})();