It's probably a matter of diminished returns, though I'm not someone qualified to speak on typing quickly.

I clicked on your profile, and your recent speed is like 140..... not to invalidate your frustration, but I think you're doing pretty well!

Have you tried typing in Dutch?

If you still make loads of mistakes, then your speed can definitely improve. You have to practice slowing down, but eliminating the mistakes first. This should maintain the WPM -- and then once you're consistently not making mistakes, add the speed back in. I found this more helpful than just going max speed every time and hoping I do a perfect run.

Just smile :)

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Your speed is my dream, you're doing very well already

Not really. There have always been things for me to improve so far. My accuracy and consistency still aren't great, and I know I lift my fingers way too high to really type fast. Perhaps one day I'll reach a point where I no longer find anything to improve, but I doubt that will happen any time soon. If I ever reach that point, maybe I'll start looking into stenography...

I hope to one day get to ur typing speed lmao. Actually, what did u do to get so fast?

I would like to echo the suggestions to type in different languages.

Additionally, exercises that have you type in repetition (the same word over and over) or non-sentence exercises like monkeytype.com I have heard can be other, good, rhythm-breakers - helping develop other parts of your typing skills

Lol it's been over a year since the OP was online. Here are my two cents though, you gotta practice specifically. It's not just randomly opening up the website and typing, it's really focusing on where you make mistakes on what words you make mistakes and where you are slow and fixing those regions. It's not just the sheer amount of time. For example, when I type the word "just," I merge the keys and I basically press "ju" and "st" at the same time, but because of timing, sometimes it ends up as "juts" instead of "just." So every time I see the word just, I slow down and make sure I don't do what I tend to do with 4 letter words, and I individually press "s" and "t." Specific words that you may be slow in might be better by using a different finger technique. I stopped using the ring finger to press the "p" key when it's before the letter "l." It's different alterations like that, that can get you to another level.

Hmmm, but we should always use pinky finger to press "p" key tho

I'm just sort of obsessively on this website

Cheers for the advice. I don't know why it would be saying that I haven't been online in ages, I'm on here all the time. Thinking about it, I was probably just still logged on from ages ago

LOL gotcha, it's updated now, I think I have that problem for everyone

Don't really have to if it allows you to be faster, everyone has their own method. Some people even use their left or right thumb to press 'm' or 'b' and stuff like that, and those guys are insanely fast

Along the lines of what others have said, I think there is definitely an upper bound for what sort of speeds are even possible, and that upper bound is determined by things such as keyboard layout, hand dexterity, reaction speed, and many other factors. At the speed you're already at, you may already be brushing up against those upper bounds, so like others have said, you could probably benefit a lot from more specific and targeted training instead of just non-specific typing tests. Maybe when you come across a quote that you can't get 98%+ accuracy on, practice that quote over and over again. That way you're targeting the specific character sequences that have already tripped you up.

I've felt the same way and thought I'd basically peaked, but only recently I've been able to consistently type 10-20wpm faster than I had in the past. You might eventually break that glass ceiling and find that you can still improve a lot more. I think one key factor to my improvements over time is that I've been practicing mostly on one specific keyboard, which is the keyboard on my laptop that I've had for a few years now.

I like the "Instant death typing test" - it terminates your test as soon as you make a mistake - then whatever mistake was made, I practice the correct way at least 10-20x. Rinse and repeat.

You can always achieve Asian level

Same here, been plateauing at ~130 wpm for around a year now. Along the lines of what others have said, try practicing letter combinations that you frequently get wrong, and slow down if you find that your accuracy is consistently low.

But I will add one more thing here: posture. The positioning of your hands on the keyboard, the way you're seated, and even the height of your seat can have a great impact on your typing speed. I find that whenever I sit in a awkward and uncomfortable position, my accuracy landslides to 95%. However, with good and comfortable posturing, my accuracy will go up to 97 ~ 98%. Ideally, your feet should be even and flat on the floor, your back should be straight, and your eyes should be level to the text you're typing. I know this isn't possible with everyone's setup, but experiment and find a posture that works for you.