My tablet has a very old browser and crashed trying to load the forum!
Library computer, easy for you to have something to compare it to on similar equipment, took less than two seconds(before logging in and after).
It just struck me that I could try my phone using mobile data instead of wifi. I did that and discovered that
New Posts takes...
... over 10 seconds -
still!
So if I am logged in, the forum is slow (10+ seconds) to show
New Posts to me. That is the same on an old Win 7 laptop, a new Win 10 laptop, and a smartphone running Android Marshmallow. It is the same using Firefox or Chrome browsers. It is the same using my Sagem router on Plusnet broadband AND using mobile data on the O2 network.
If I browse anonymously,
New Posts is quick by whichever means I use it.
I have come to the conclusion that
@Shaun needs to remove the line of forum code which detects that it is me clicking and deliberately introduces a 10 second delay to see how many times I can put up with it!