https://support.mozilla.org/products/firefox
https://support.mozilla.org/kb/customize-firefox-controls-buttons-and-toolbars?utm_source=firefox-browser&utm_medium=default-bookmarks&utm_campaign=customize
https://www.mozilla.org/contribute/
https://www.mozilla.org/about/
https://www.mozilla.org/firefox/?utm_medium=firefox-desktop&utm_source=bookmarks-toolbar&utm_campaign=new-users&utm_content=-global
https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd
https://www.youtube.com/account?=https%3A%2F%2Faccounts.google.com%2Fv3%2Fsignin%2Fchallenge%2Fpwd
https://consent.youtube.com/m?continue=https%3A%2F%2Fwww.youtube.com%2Faccount%3F%3Dhttps%253A%252F%252Faccounts.google.com%252Fv3%252Fsignin%252Fchallenge%252Fpwd%26cbrd%3D1&gl=GB&m=0&pc=yt&cm=2&hl=en&src=1