Chrome Flags Reference

--log-missing-unload-ack

What does --log-missing-unload-ack do?

Log an error whenever the unload timeout for a render frame is exceeded.

Usage

chrome --log-missing-unload-ack

const browser = await puppeteer.launch({
  args: ['--log-missing-unload-ack']
});

const browser = await chromium.launch({
  args: ['--log-missing-unload-ack']
});

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--log-missing-unload-ack')

driver = webdriver.Chrome(options=options)