Web Browsers
Firefox
list of about: pages
about:about
https://developer.mozilla.org/en-US/Firefox/The_about_protocol
DNS-over-HTTP
- https://support.mozilla.org/en-US/kb/firefox-dns-over-https
- https://support.mozilla.org/en-US/kb/configuring-networks-disable-dns-over-https
- https://support.mozilla.org/en-US/kb/canary-domain-use-application-dnsnet
Debug logging
https://developer.mozilla.org/en-US/docs/Mozilla/Debugging/HTTP_logging
export NSPR_LOG_MODULES=timestamp,nsHttp:5,nsSocketTransport:5,nsStreamPump:5,nsHostResolver:5
export NSPR_LOG_FILE=~/Desktop/log.txt
./firefox
Disable screenshots
extensions.screenshots.disabled -> true
Disable new tab page
browser.newtabpage.enabled -> false
Container tabs
Chromium
SHIFT-ESC - see which tabs are chewing up the most CPU/memory