Selenium: Network throttling via Chromedriver

You can throttle the network in your headless chrome via Selenium. This might be useful for debugging issues with flaky integration tests or slow page simulations.

page.driver.browser.network_conditions = {offline: false, latency: 5, download_throughput: 2 * 1024, upload_throughput: 2 * 1024}

The settings will match to the following UI component in Chrome:

Were the values for the default profiles might match the values from this post Show archive.org snapshot :

Slow 3G Custom:

• download_throughput: 376 * 1024
• latency: 2000

Fast 3G Custom:

• download_throughput: 1500 * 1024
• latency: 550