Always debuglogs.app автор Greyson Parrelli

Logs for Signal Messenger are hosted on debuglogs.org. This add-on redirects requests to debuglogs.org to debuglogs.app, an unofficial in-browser debuglog viewer.

For more info, check out the source of debuglogs.app on Github:
https://github.com/greysonp/debuglogs.app

Or the source of this extension:
https://github.com/greysonp/debuglogs.app-extension