Posting here takes 2 seconds to show up, but posting in my website takes more than 10 seconds..., By the way, I'm in Japan.
I deleted the cache plugin, and the settings of cache is as below.
We also have this problem, please tell me how to fix the slow postings
This kind of problems come from plugins which affect WordPress loopback function. Please read this support topic and try to find the plugin which crashes your website: https://wpforo.com/community/how-to-and-troubleshooting-2/slow-when-posting-a-new-topic/paged/2/#post-37642