I think it's the memorial for spirit (thats the one who was stuck in the soil.) http://en.wikipedia.org/wiki/Spirit_rover#Stuck_in_dusty_soil_with_poor_cohesion
What I what to see is optimization and some kind of different download server like AWS so that downloads are fast and the site is still functional. And of course everything the dev will come up with.
if I'm correct the problem is the ocean (to be precise the OceanPQS). when you edit the settings for that one in your settings.cfg to something like minDistance = 2 minSubdivision = 1 maxSubdivision = 8 the "lag" will be gone.