It certainly seems so. Internet searches are quite a good indicator of how popular something is, and it can be used to predict how successful an upcoming movie or song is going to be.
Here is a graph showing how the number of searches for “Bible” and “Christian” have fallen significantly over the last 7 years.
Remember, the number of people using the Internet is increasing, yet the number of people looking for Christian related information is falling. Is this a sign less people are interested in Christianity, or that people are less interested in searching for things on the Internet?