Here I will tell you the method. I won't say much about the platform for finding keywords. As long as you know the method of finding popular keywords, you can use it on any platform. Before, I searched these titles on Google and then found the keywords in the titles. If you want to find popular keywords, you need to do this: search for articles related to your article, and then put their Write down the titles, and then slowly find their keywords in each title, and then use them in your title.