Chrome Flags Reference

--slow-down-raster-scale-factor

What does --slow-down-raster-scale-factor do?

Re-rasters everything multiple times to simulate a much slower machine. Give a scale factor to cause raster to take that many times longer to complete, such as --slow-down-raster-scale-factor=25.

Usage

chrome --slow-down-raster-scale-factor

const browser = await puppeteer.launch({
  args: ['--slow-down-raster-scale-factor']
});

const browser = await chromium.launch({
  args: ['--slow-down-raster-scale-factor']
});

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--slow-down-raster-scale-factor')

driver = webdriver.Chrome(options=options)