Yeah, I meant WK. The tool shows that I started around June of 2017, but level 1 was completed in January of 2021. I should have clarified that.
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Obligatory “Here’s mine!” post. I’m curious how the current level will look once I finish it. I’m doing 2 kanji instead of 3 per day for a change. Should take several days longer.
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Wow, mine looks extra funky LOL but that’s the price of waiting so long for when I felt WK was just right to start. 
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Yeah, I should probably trim the start whenever the user has a pause longer than N months and restarts from level 1.
Wouldn’t it be easier for you if the user could just choose when to start the graph manually? See [WebApp] WaniKani Timemachine! or [Userscript] WaniKani Workload Graph.
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Done. Now you can set a custom start date for the chart.
Also, I have added a speed line that shows your average completion speed in levels per month. The maximum value is around 4.5 (1 level per week) but the right-side axis goes up to 6 for graphical reasons.
This is yet another tool to show you if and when you’ve been slacking off… 
I have only access to my own account, so if you spot any issues on yours, especially if you have “gaps” or other weird features, please post a screenshot.
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My graph - as expected - looks quite interesting 
Especially in that middle part around July - Oct. 2019, maybe your interpolation function is not loose enough? Because I only change my pace ever so slightly, it is hardly visible in the blue curve, but the red one goes crazy and oscillates quite a bit. Maybe if you could somehow straighten this out a little bit, the information would still be there but it wouldn’t look as crazy?
(Note: If you’re interested in this data, please shoot me an email I will send you my API key so you can play around with this yourself and see what comes out - my email address is in my forum header)
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There was a small bug, if you tried to add a new key and it didn’t work, please reload the page.
Shows quite clearly that I took more time for the last level. 
2 kanji per day felt a bit slow, though. For the current level I’m alternating between 2 and 3.
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Hey, this is pretty great. Thanks!
(I need to get better at keeping up with the community threads.)
mine is a mess, I guess. is it saying I will finish wk in september next year?
well, I dont know the time between level ups is increasing everything I dont know why, 7 days in the beginning, then 10, now it has been 14 days and no level up.
Yours looks pretty good actually. Don’t strive for a perfectly regular line, that’s impossible. What you should look out for is avoiding pitfalls, such as getting so many reviews piled up that you get swamped and stop doing it altogether, or getting “burned out”. As long as you keep a steady pace, you’ll be fine.
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I think an option to put the speed axis on the left instead would make it easier to read. Also 6 isn’t the max speed but that is just first world problems.
The problem is that there are two vertical axes: position (blue) and speed (red). The classical charting solution is to put one on the left side and another on the right side. I chose 6 as the maximum because the left axis has 6 divisions, otherwise it would be difficult to read.
By the way, more than 6 levels/month means 1 level in less than 5 days. How is that even possible.
Fast levels starting from about 40 or so can technically be done in 3 and a half, if you’re really going for it.
While I’m here:
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I see. But I don’t think I’ll fix it, because I don’t see how. By the way, max level is still 60 right?
I was thinking of adding a darker shade of blue to show the percentage of burned items, but I’ll need some time to study the available API first.
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