N47. - thanks for your reply. - I think it's a browser issue, namely IE8, which I'm still using on all of my XP computers. [ To be fair, The BBC issued warnings that it wasn't supporting IE8 anymore].
I've just tried BBC Radio4's listings on another computer [with IE11] ... the load times are much better.
I'll tick this as resolved.
PS. There might be a way around this problem by turning off the loading of pictures, ie., so that there's only text appearing on the BBC Radio4 listings, to speed the 'em up [again] on my old computers.
N47. - Chrome is a big improvement. So I will use it for BBC website. Unfortunately it's not so good for PCA website as those 'pesky' video adverts are everywhere. So, I'll keep using IE8 for PCA and from now on use Chrome for BBC. Thanks again.
spuds - I will give Firefox a try on my other XP (IE8) machine in the near future.
HB - Chrome is a big improvement - Unfortunately it's not so good for PCA website as those 'pesky' video adverts are everywhere.
On this website, I have found Chrome to get the best results. That in conjunction with Adblocker Plus, seems to resolve all the advertising issues. Why not give it a try, and see if it works for you, like it does for me, and a number of other forum member's, who use the same methods. You might have a surprise.