Website,FKRL,FRE,GFI,CLI,SMOG,average_grade
https://111.wales.nhs.uk/encyclopaedia/h/article/headache,4.4,78.2,7.1,6.5,8.3,6.58
Nice.org,12.1,33,14.05,14.5,13.85,13.625
Wikipedia,11.35,36.75,13.25,14.4,13,13
https://headache.org.uk/,10.55,44.33,12.71,12.88,12.61,12.19
https://headaches.org/resources/the-complete-headache-chart/,11,30.1,11,16.9,12.7,12.9
Migraine Trust,8.72,56.36,10.56,11.47,11.13,10.47
Cleveland Clinic,7.15,59.5,8.45,11.2,9.65,9.11
Patient.info,8,59.75,9.45,10.65,10.45,9.64
https://www.health.harvard.edu/pain/headache-when-to-worry-what-to-do,8,60,9.4,11.3,10.4,9.78
healthline.com,8.13,53.73,9.6,12.03,10.2,9.99
https://www.hopkinsmedicine.org/health/conditions-and-diseases/headache,7.2,59.1,8.9,10.5,9.9,9.13
Mayoclinic.org,9.3,44.1,10.275,13.425,10.75,10.94
Medicalnewstoday.com,8,52.65,10.05,11.6,10.25,9.98
https://www.medicinenet.com/headache/article.htm,10.1,46,12.1,12.8,12.6,11.9
https://www.nationalmigrainecentre.org.uk/migraine-and-headaches/migraine-and-headache-factsheets/what-is-migraine/,8.4,60.7,10.4,10.2,10.9,9.98
nhs.uk,6.51,65.73,8.69,8.98,9.61,8.45
https://www.nhsinform.scot/illnesses-and-conditions/brain-nerves-and-spinal-cord/headaches,6.2,64.6,7.7,9.7,8.7,8.08
webmd.com,6.2,68.1,7.4,9.9,8.95,8.11