{ -brand-name-firefox-focus } blocks a wide range of common trackers by default including social trackers and those sticky ones that come from things like { -brand-name-facebook } ads.
{ -brand-name-firefox-focus } bloquea una amplia gama de rastreadores comunes de forma predeterminada, incluidos los rastreadores sociales y los de seguimiento que provienen de cosas como anuncios de { -brand-name-facebook }.