WP Rocket has many settings and options. I think some options should be disabled for wpDiscuz. Please leave a screenshot of WP Rocket main options to allow us check them.
ok I will update in a few minutes
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This reply was modified 9 years, 2 months ago by
insomniag. Reason: images not clear
Below the screenshot of main settings

and advanced settings

The main problem I have is this on the photo below. The captcha is not showing until I click the refresh button on the right. Or when I revisit/refresh the web page.
screenshot:
https://drive.google.com/open?id=0BzrSbufRMnL1WW1pN1B4Y3NUR00
What is the problem?
once again the WP Rocket settings:
main:
https://drive.google.com/open?id=0BzrSbufRMnL1R04xVzkzNzR6cmM
advanced
https://drive.google.com/open?id=0BzrSbufRMnL1YklMT2UydGtyMWc
Please navigate to Comments > Settings > Show/Hide Tab and change CAPTCHA mode to “use WordPress session”. Then delete cache and test it again.
Thanks for your reply. I have tested this and I tested it again. It is even worse. The first time I visit a post that it is not cached, when I enter the captcha it says “Invalid”. Then,I clear browser cache and visit another page of the website. It shows me the last captcha I entered in the previous session, it says again “Invalid” and I cannot reload it.
can you please disable the cache plugin and others to find the one which cause this conflict.
I am testing this for almost two days. The only problem is the WP Rocket cache plugin with the the wpdiscuz plugin. Another problem these two together cause is an endless loading of the webpage.