But ZB Block is not been developed any more for years now ... abandoned by the owner.

@verek ZB Block has been replaced by CIDRAM generic script and CIDRAM WP plugin. This is what we use (jn WP and non WP sites) and we have very little ...

Of cource you do know who is the new user/visitor. By his IP even before make an account or after he has given his EMAIL. There are a lot of securit...

You should REMOVE this: <!-- WP Fastest Cache file was created in 2.6965091228485 seconds, on 28-04-22 15:17:26 --> No caching for wp...

@asmadi1 REMOVE the WP Super cache from wpForo pages. Important. Also your page has an error (crash). Press F12 to view it: Uncaught SyntaxE...

@coinnewsweb THIS <!-- Performance optimized by W3 Total Cache. Learn more: Page Caching using disk: enhanced Served from: www.thoitrangod...

Abusers should be blocked BEFORE logging in. This is the best way. Using a security plugin.

@rentrax Ok, this is not something due to wpForo but to your setup or your browser or whatever. Not an wpForo issue. Just delete the wpForo plugin v...

I don't see any such issues to your url, from a cellphone.

@rentrax Before doing all that, press F12 to see your browser console for errors.

Not relevant to your question but REMOVE this from your wpForo pages: <!-- generated 102 seconds ago generated in 1.551 seconds served from...

And remove this from wpForo pages: <!-- Performance optimized by W3 Total Cache. Learn more: Page Caching using disk: enhanced Served ...

Also a third option could be also to email the admin if someone modified his profile.

@wpdev996 I don't think wpForo sends anything like that, from the type links you posted. Something else is doing that, a plugin maybe. But definitel...

@wpdev996 That SSL is of Sendgrid.net and not yours.