[smith512]

Now I have one forum, hundreds sub forums and thousands subsub forums. When I try to publish a forum, it makes me wait for 30~40 seconds, topic too.

However, it is not heavy to look around my website.
It is very heavy that only I publish a forum or submit a topic.

Are there ways to improve this time lag??

[Bitclu Inc]

To reduce the lag time read the topic below: https://www.thesearchengineshop.com/how-to-fix-slow-wordpress-website/

You will get better idea.

[smith512]

Thank you for replying.

However, my website’s page speed is not bad.

This problem happened only when “publish a forum from dashboard” or “submit a topic”.
The others are no problem.

[Mark Smith]

For speed of WordPress site please check out this article

15 Easy Ways To Speed Up WordPress

[smith512]

Sorry, guys.
I figured out this problem.
If one parent has thousands sub forums, bbpress is very heavy.
I delete parent, bbpress is light.