Astronauts Sites

Rank	Website	Country Rank	Monthly Unique Visitors	Pages/Visit	Avg. Visit Duration	Bounce Rate
1	purdue.edu	#470	27.0M	00:03:33	3.72	56.04%
2	esa.int	#12424	5.8M	00:02:29	2.84	55.41%
3	dlr.de	#2034	860.9K	00:05:47	10.43	49.26%
4	nasaspaceflight.com	#17838	922.1K	00:12:15	5.80	48.10%