puppeteer/website/versioned_docs/version-20.1.0/api/puppeteer.predefinednetworkconditions.md

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PredefinedNetworkConditions

PredefinedNetworkConditions variable

A list of network conditions to be used with Page.emulateNetworkConditions().

Signature:

PredefinedNetworkConditions: Readonly<{
  'Slow 3G': NetworkConditions;
  'Fast 3G': NetworkConditions;
}>;

Example

import {PredefinedNetworkConditions} from 'puppeteer';
const slow3G = PredefinedNetworkConditions['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();
})();