2 computers connected to 1 internet, online games lag help!

quadddd

Honorable
May 8, 2015
7
0
10,510
so i have a 10mb internet connected to 2 computers... problem is... i don't understand why it lags, if no one is on the other computer my ping would be always 22,21... but soon as someone opens facebook or goes to any other site.. my ping would rise to 200 or 100 every few seconds... and it is not possible to play... i thought 10mb internet would be stable for 2 computers? why can't when i play for me not to lag.. but his to get little slower.... am i suppoused to optimize my internet or something....