

For the most part, your lines are very good, with a possible tendency to apex later than the reference lap. However, a trend of yours seems to be braking too early. For a track like Monza, speed will scrub off very quickly, so you can work on building the confidence on the brakes. Get a feel for braking late, and carrying speed into the apex by trail braking. Parabolica is an excellent practice point for this technique.
Monza naturally favours low downforce, low ride height, and hard suspension. You need to make sure you can still change direction, so keeping the anti roll bars high is also important.

☐ This section is driven entirely flat, nothing to comment on.
☐ This chicane is actually very well driven. Your braking comes earlier than the reference lap, but the reference lap appears to have a slight blip towards the end of the braking zone. Your braking is smooth and consistent, and you're able to turn in very well. I notice that you use 4th gear here, which seems like it's too high. I can also see that you get just a little bit of understeer after the first apex, and this will slightly hinder your ability to take the next apex. Try using a lower great here to help slow and rotate the car for the first apex. As with your braking, you acceleration is very smooth, and you reach 100% sooner than the reference lap, however I can see a small blip between the first and the second apexes. This might also contribute to the slight understeer, so make sure you do whatever you can to maximise the second apex more than the first.
☐ This section is entirely flat, but your line on exit is much wider than the reference lap. For a full throttle corner, you don't need to do this, so try to hug the inside kerb here and set yourself up for the braking of the next chicane.
☐ Your release of the brakes here is very abrupt, so try to make sure it's a smooth release. This way, it can help you carry more speed into the corner using trail braking. Your first apex is very good, but you miss the apex slightly of the second corner. This will also make it harder to accelerate, so make sure you can accurately hit your marks during this chicane.
☐ This corner is a perfect corner for trail braking. The reference lap only starts braking as they turn in, and you can do the same to preserve as much speed as you can. Don't be afraid to use the kerb on exit, this will also mean you can open up the corner and accelerate slightly earlier.
☐ Your braking is a little bit aggressive here, and you can also use a small bit of trail braking. You can afford to brake later and carry more speed in. As with the previous corner, you can also use the outside kerb on exit
☐ This section is flat, and very well driven.
☐ As with the second Lesmo, your braking is a little bit aggressive. You can afford to brake later and carry the speed towards the apex. I notice that you don't take as much kerb as the reference lap for the first corner of this chicane, and it also means your line for the second corner is slightly narrowed, making it harder to carry speed. You are slightly wider on apex here as well. But as I see from your throttle trace, the final apex is driven flat out and your line is good.
☐ This section is flat out and straight, nothing to comment on.
☐ The braking seems to be the main thing holding you back here. It comes early, and means that you naturally want to get on the throttle earlier in the corner. But this will cause understeer, and will mean that you will take longer to reach 100% throttle. Your line is very good, so the only fix I can suggest is to brake later and trail brake into the corner. This will help with your speed into the apex, and will naturally correct your slow throttle input.