why is zoho assist server so slow

why is zoho assist server so slow

Hello

why is zoho assist server so slow, i use it every and and have fast speed at either end of the connection but zoho assist take upto 10 seconds per click, I connect on the chat they we will have a look and come back saying they have done a reset on the back end, it sometimes speed but goes back to slow, I have also noticed that after 5.30 to 6pm the speed which i guess most users have finished work , can more work be done so the is faster speed in the day time , I have connected on the same pc using Teamviewer QS so i know its not the connection