FPS issues

Ever since me and my friends have started playing this game, we have been getting constant drops in FPS at what feels like random times. We get a solid 60-75 typically, but once in a while (anywhere between a couple minutes to a few seconds) we get FPS drops sometimes to 10 or even freeze for a full second. Are we the only 3 getting this issue?

No. I've came across fps stutter so hard the game came to a screeching halt for 20 seconds and crashed shortly after coming back. Optimization is an issue.