online statistics and notifications not working correctly with cloudflare speed option "optimized delivery for wordpress" [solved]

[findozor]

hello, i have stable 2.1 version, everthing worked fine but few days ago i saw a problem. i didnt have these issues prevously on my setup.
1 "forum_overview_members_online" and xon plugin "User Activity" stopped working correctly and not showing data atm

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it shows 4 visitors but really its 20
2 notification number constantly showing zero on each visit

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(new notifications showing correctly)
i have redis and cloudflare set up on a domain. any assumptoins on what can affect and cause these issues
url is https://findozor.net/ru/forum/

upd finally found issue is in cloudflare firewall settings but what exactly causes it still didnt find out

 

[findozor]

ok i found a source of an issue
since i have wp installation and xenforo on a single domain i switched on option "Automatic Platform Optimization for WordPress" on a speed tab so its causes problems on xenforo showing wrong online and zero notification on a regulare basis. so i switched off and its ok now

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