If you still have smudges on your oven glass door when you are done cleaning, it might be inside between the oven glass. I give you a step by step tutorial on how to get between the glass. You will need a glass cleaner or wipe of some sort, a hanger to get in those hard to reach places and depending on your oven you may need to remove some screws. See how I cleaned between my oven glass at the link below.
A No-Sew Way to Make Short Drapes Floor Lenght
A few months ago, I fell in love with these drapes, but they were too short for the look that I wanted, so I came up with a no-sew solution!