Can't seem to match up to my improvement timeline percentages

Question

Have any of you struggled to fulfil the expectations of the improvement timeline? The grey line is always at least 4 percentages above my progress. What does it look like for you? Are you managing? Are you ahead? Let me know

Answer

I wouldn't worry about it. Just enjoy the process of learning more Spanish!

Answer

To answer your actual question: The way I understand it is that grey isn't an expectation or projection, but merely your topics covered (at any percentage of progress). So it just shows you how many topics out of all you have been quizzed on, at all.

Green is the average score you have in all topics covered by the graph. So add all topics individual percentages and divide by the number of topics. That's green.

Practically, green can only ever be catching up with grey if you are on 100% in green. Then all topics would be covered and you would have 100% on all. Personally, before reaching that goal I would be hanging out in the wild, the actual Spanish speaking internet, media, news websites and I'd be talking to natives on discord for free. Because just maxing out that graph would seem a bit tedious to me (but that's just me of course).