Some Firefox Profile

# Create new Firefox profile
## Mac, Windows
firefox --profile <PROFILE_DIR> -silent

## Ubuntu
firefox -createprofile "<PROFILE_NAME> <PROFILE_DIR>" -silent

# disable Flash
user_pref("plugin.state.flash", 0);

# disable crash session resume
user_pref("browser.sessionstore.restore_on_demand", false);
user_pref("browser.sessionstore.resume_from_crash", false);

# disable checking default browser
user_pref("browser.shell.checkDefaultBrowser", false);

# disable auto update
user_pref("app.update.auto", false);
user_pref("app.update.enabled", false);
user_pref("app.update.silent", false);

# enable e10s, 1 only multiprocess, 2 multiprocess with async scrolling
user_pref("browser.tabs.remote.autostart", false);
user_pref("browser.tabs.remote.autostart.1", false);
user_pref("browser.tabs.remote.autostart.2", true);
user_pref("browser.tabs.remote.force-enable", true);

# disable e10s
user_pref("browser.tabs.remote.autostart", false);
user_pref("browser.tabs.remote.autostart.1", false);
user_pref("browser.tabs.remote.autostart.2", false);
user_pref("browser.tabs.remote.force-enable", false);

# set homepage to blank page
user_pref("browser.startup.homepage", "about:blank");

# set start page to blank page
user_pref("browser.startup.page", 0);

# Skip first run page (ref: https://support.mozilla.org/en-US/questions/972919)
user_pref("browser.startup.homepage_override.mstone", "ignore");
user_pref("toolkit.startup.last_success", 1483948699);