Oriol Demaria@0x4464 that's web progressive apps. Not all websites have this facility. Anyway I have been able to replace some proprietary apps for the progressive app with Firefox.
Also with the extension switchyproxy omega I torified some of them.
Bobinas P4G is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.
All Bobinas P4G content and data are available under the Creative Commons Attribution 3.0 license.