Squats: Your not loading and lifting with your hips (no hip drive). On many reps your knees push forward at the bottom (knee slide), which is causing your balance to move slightly forward of midfoot (watch the bar path at the beginning of your ascent and see how it moves forward). So, set your knees about 1/2 to 1/3 of the way down, then lean over (point chest to floor), and reach back with your hips. On the ascent, drive your hips straight up towards the ceiling for as long as they will go in that direction. Try and get a video from a rear 45 degree angle (and edit out the first 30 seconds of you not lifting).
DL: On the first 3 reps, in order to get your back tight in extension, you are dropping your hips. Instead, squeeze your chest up between your shoulders without dropping your hips. On the last 2 reps I'm not sure you ever got your back properly set. Read this for proper set up:
Deadlift starting Position Critique