Chrome Flags Reference

Chrome command line switches and startup flags for automation, headless mode, and debugging.

--log-net-log

What does --log-net-log do?

Enables saving net log events to a file. If a value is given, it used as the path the the file, otherwise the file is named netlog.json and placed in the user data directory.

Usage

CLILaunch Chrome with --log-net-log using CLI

chrome --log-net-log

PuppeteerLaunch Chrome with --log-net-log using Puppeteer

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

PlaywrightLaunch Chrome with --log-net-log using Playwright

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

SeleniumLaunch Chrome with --log-net-log using Selenium

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--log-net-log')

driver = webdriver.Chrome(options=options)