browser extensions

FoxyProxy Standard

firefox

https://addons.mozilla.org/en-US/firefox/addon/foxyproxy-standard/

chrome

https://chromewebstore.google.com/detail/foxyproxy/gcknhkkoolaabfmlnjonogaaifnjlfnp?hl=en

wappalyzer

https://www.wappalyzer.com/apps/

Firefox Multi-Account Containers

https://addons.mozilla.org/en-US/firefox/addon/multi-account-containers/

BuiltWith

https://builtwith.com/toolbar