0:0 round help your teammate sooner, he was fighting ramps for whole 7 seconds before you decided to swing out and help him.
0:1 You bought Mac 10 and instead of just going first in with the dude that bought P90 you were taking mid range fights with a CT near tripple.
0:2 Good kill on the awper. After you killed him you should have fallen back. None of your teammates went top mid so you had no info if they're pushing short and if connector is clear. You died to player holding one way in connector as a result.
3:2 Kind of obvious, but you should always get a kill on a player that doesn't know you're behind him. After you failed the initial spray you played it well.
3:4 if you have AWP, don't rush into site when your teammates have AKs and didn't clear it yet. You could have easilly died on the CT in shadow. In post plant scenarios just ask what your teammates are holding and hold what's missing. You could have died numerous times in the post plant, you were exposed to a potential CT at stairs while you were watching CT spawn for some reason. Then jump peeking over default exposing yourself to potential jungle CT etc. In these situations just say what you're holding and stick to holding it and tell your teammates to hold soemthing for you. In this situation you should have said i'm holding stairs ask the ramp guy to hold jungle. That way you had everything covered as they couldn't have flanked and your other teammate had ct spawn.
4:5 I assume you wanted to peek from the ramp stairs to kill CT crossing to connector? If you don't have best spawn for ramps don't go for this peek and either just peek from the furthest possible to kill the CT that killed you or don't even peek it this early. I know in MM it can work, because it's mm, but it just isn't smart.
7:6 Your team didn't take mid control so you should have expected the AWPer to drop from window to peek it as he already did that in 3rd round when you killed him. Shoulder peek for info and then decide what to do next.
8:6 Bind ever type of nade to a different button and never run into site with a nade in a hand when you don't know if it's clear or not.
8:7 in pistol round one CT should play either at Ticket or site. You should never both cross to conn.
10:9 Kind of a pointless dead again. None of your teammates pushed A house so you should always assume there can be an enemy unless B players called "all 5 B". Just keep your weapon in hand while rotating.
11:14 if you're going for a peek, don't half ass it and anticipate an enemy there. It looked like you didn't even want to peek top mid from conn, but that could just be low tickrate demo. If your teammate is holding ramps, you're holding palace don't go for a random prefires smoke wallbangs. Just keep holding palace. You should have died there twice.

Overall your crosshair placement seems good, Aim is alright aside from few missprays. Sometimes it felt like you do randomly what pops into your head without thinking/planning it.