[Free] Footprints with .edu or .gov sites/blog with your niche

[masspingtool]

hello i want to share something really common footprints but for the sake of other warriors hope it help

goto google.com
then type this code
site:".edu or .gov" "your keyword" example
site:".edu" "acne" the SE show this click here
all 'acne' keywords with .edu or .gov sites/blog