Yes it is part of system it is protecting the servers if it detects we are getting a lot of traffic all of a sudden or if it thinks your browser is unusual for any reason it will show you that page while it runs checks to see if you are a real user.
This system protects any FPSCR related service now as we were seeing traffic increases, it saves more than 50% of the bandwidth each month which makes a difference on the speed.
Windows 7 Pro, Intel i7 3.8 GHz, 16GB DDR3, NVIDIA GTX 780 4GB Superclocked