You can easily know who have watched your profile the most times and least times.
Things Required
DESKTOP OR LAPTOP since we will work in HTML coding so it is not possible through android and IOS devices.

STEP 1:OPEN GOOGLE CHROME(since i am using linux operating system so it will work on mozilla firefox but if you are using windows open your google chrome )

STEP2:LOG IN TO YOUR ACCOUNT AND OPEN YOUR PROFILE

 STEP3:ONCE YOU OPEN YOUR PROFILE PRESS CONTROL+U 
(a page source will open as shown in figure )

STEP4: NOW PRESS CONTROL+F(a search dialogue box will appear)
here you can see that a search dialogue box has appeared you can get in different style beacause of difference in OS.

STEP5:IN THE DIALOGUE BOX TYPE"initialchatfriendslist" dont press enter and in the screen(pagesource)you will be forwarded to the place where "initialchatfriendslist" is loacted.


STEP6:NOW WHAT YOU NEED TO DO IS IN THE LINE WHERE "initialchatfriendslist" WAS LOCATED TRY TO FIND A PLACE WHICH LOOKS LIKE THIS WHICH HAS LISITS AT LAST

STEP7:THERE YOU CAN SEE THE GROUP OF NUMBERS THE NUMBERS WHICH IS TOP HAS SEEN YOUR PROFILE THE MOST NO. OF TIMES .NOW WHAT WE NEED TO DO IS COPY THE NO AND 
GO IN NEW TAB http://www.facebook.com/(number)
this will take you to the persons profile

{remember you need to copy the number as shown in figure only}
STEP8: