Facebook like count on details and home page
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I have a website that displays houses to the visitors. When the user wants to view a house, he/she clicks to view the house and a details page will show. With the url being www.myhouses/details/123 (123 being the unique id for the house).

I added a facebook like button to the details screen (www.myhouses/details/123) . Will this "like" be counting towards like for www.myhouses (the entire website) or only for the specific url.

Is there a way to get the count for all facebook likes to my page, in the abovementioned scenario ?

thanks