I’ve noticed this over the last few days too.
This started about 9 to 10 days ago, and what you see is an initial attempt to load the page, and it hesitates....like it’s going through a filter somewhere. You can count maybe three additional seconds, and then the whole page comes up.
I’ve cleared the cache...used different browsers...it all goes to the same issue. I would be curious if point of origin has been rerouted somewhere and this is some intentional delay.