Why does it take so long to load a page now
You see Dave, we only have so much bandwidth. which is like water flowing in a pipe, each time you open a tap wider, more electrons flow to the most open tap. Being chief IT Guru, I of course have my tap open the widest, hence I get most of the electrons.
On other words, I don't frigging know mate!
Try re-booting your system!
Joking aside, it could be related to an increase in user activity.
I fixed a number of missing objects the other day that were causing errors in the logs.