list of different websites I found:

click to see:

Cats - https://cats.com/how-to-train-your-cat

Cat school- https://www.catschool.co/

Pumkin care - https://www.pumpkin.care/blog/how-to-train-a-cat/

Jackson galaxy - https://www.jacksongalaxy.com/pages/clicker-train-your-cats-the-cat-pawsitive-way

cat training - https://www.clickertraining.com/cat-training

Tuft paw - https://www.tuftandpaw.com/blogs/cat-guides/the-ultimate-guide-to-training-your-cat

base paws - https://basepaws.com/blog/how-to-train-a-cat

Karen pryon acadamy - https://karenpryoracademy.com/courses/train-your-cat/

Hills - https://www.hillspet.com/cat-care/training/can-you-train-a-cat?lightboxfired=true#