So I play Jett but it happens so often that I just peek an enemy get a headshot and instantly dash behind cover really fast, but still die even tho i was already out of the action. Is this because of Lag or something i dont understand

I just started playing a month ago, and generally stick with Unrated gameplay. Though I know what an “Ace” is, I just figured it would earn you a fun voice clip from your character and some bragging rights. Today, I was playing a match, and...