So that process should be there. So, that's no worry.
Unless you are seeing a dramatic increase in mobile data usage or big slowdowns in your system, i'm not sure there's much going on there.
Now with that said, I'm a Mac user (administered a school Windows network for 5 years) so I'm not totally sure what the normal RAM usage is for internet explorer. I do know that I find it horrible to use, though.
Ultimate Dynasty League
16 Team Dynasty League H2H: G, A, P, PPP, SHP, +/-, PIM, SOG, W, L, GAA, SvPct, SHO
C: Stamkos, Getzlaf, Carter
LW: Ovechkin, Kovalchuk, Brown
RW: Iginla, Pavelski, Horton
D: Byfuglien, J.Johnson, Goligoski, Hedman, Hamonic
G: Schneider, Hiller,
B: E. Johnson, S.Kostitsyn, Neil, Biron, Giguere
Prospect: Nail Yakupov, Tangradi
UHL Dynasty St. Louis Blues
...a bad team trying to rebuild...