Request: Browser history for tactics trainer

When training tactics, sometimes I continue to the next puzzle too quickly on accident. Then I'd like to go back to the already solved puzzle to analyse an alternative line. However, going back in browser history doesn't work (at least in my Firefox for mobile devices) - it takes me back to the main page of lichess. All the puzzles already have their own link, so I don't understand why it's not possible. Can this be fixed? Kind regards.

When you scroll down on the tactics page, you will see -25, +30, +20 etc. Click on each of those tactics and it will bring you to the puzzle where you lost or gained some rating. The closer to the right, the more recent it is. Hope this helps!

It took me quite some time too to figure it out xD

Oooooh, I never noticed this. This works perfectly, thank you very much!