Indeed. It's fairly common on internet fora such as this for things to die down at the weekends. People here generally have other things they need or want to do at the weekends, and are less likely to be at their computers. The fact that we are a pretty small community, where the vast majority of posts are made by a small core of posters, makes this more apparent. It isn't anything to be concerned about.
The quality of posts here has remained consistently high over the years I've been a member, I enjoy reading and exchanging thoughts and ideas with pretty much everybody on here.
The fact that quantity is low, but quality is high, is part of what makes this place attractive, and as an admin, makes my job very easy
Also, and most importantly, don't rely on the accuracy of the 'View new posts' feature. I've just been on it myself, and only been shown a few posts made since 11 this morning. A Google reveals many people having odd problems with that feature.
Soppy anti-British, pro-crime, anti-education, pro-immigration, anti-family nonentity