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Old 31 Dec 2016, 18:45
Dave Dave is offline
 
Join Date: Jun 2010
Real name: Dave
If you host it locally, it will always cause a load on your forum. Say your chatbox refreshes every second and you have 50 active users using the chatbox, that is at least 50 requests per second and then you also have to include the users browsing your forum. A stock installation of Apache/PHP/MySQL may not be able handle that.

Third party hosted chats may be able to handle it, but then you're dependent on them.
I've personally created a node.js chatbox which causes zero load on PHP/MariaDB/nginx since it's running on its own port and stores chats in RAM. You could look into (developing) something like that if a chatbox is really important to you.
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