WebSocket?

I am using Anti-Spam by CleanTalk on a WordPress site.

While investigating a security report, I identified a WebSocket connection being created from my homepage:

wss://ws-sucuri.com/ws

During testing I found:

• Anti-Spam by CleanTalk enabled → WebSocket connection appears.
• Anti-Spam by CleanTalk disabled → WebSocket connection disappears.
• The connection is present for both logged-in and anonymous visitors.
• The JavaScript creating the connection is obfuscated.

Can you confirm whether Anti-Spam by CleanTalk or any related CleanTalk service creates a connection to wss://ws-sucuri.com/ws?

If so, is this expected behavior and what is the purpose of the connection?