Here are some big reasons why you may be losing hits:

-Lack of Updates (Major Effect)
-Not that good of graphics
-Need more content (Common problem)
-Not that original
-Not very popular
-Stolen content ect. (Hits go down the hole)
-To many Pop-ups
-Long load (MAJOR problem)
-Host down alot or sometimes
-Files not working
-False news ect.
-Not giving fans respect
-Bad navigation (Pretty bad)