Table 1 Characteristics of the websites

1. ACC SportSmart: Coaches’ Kit

New Zealand

Public education

No ads

79.2

9.18

12–13

B y

R n

P y

y

n

2:

n

n

y

y (2002)

n

2. ACL Injury Prevention Program

USA

Health business

Consult ads

64.8

12.02

12–13

B y

R n

P y

y

n

1:

n

n

y

n

n

3. ACL Injury Prevention Programme for the Competitive Female Athlete

USA

Health business

Consult ads

71.4

6.67

12–13

B y

R n

P y

y

n

2:

y

n

y

n

n

4. ACL Prevention Programme by Syracuse Orthopedic Specialists

USA

Health business, Public education

No ads

65.8

6.98

8–9

B n

R n

P y

y

n

1:

n

n

y

n

n

5. Activate Injury Prevention Exercise Programme

UK

Community, public education, academic

Club ads, product ads

47.0

23.88

14–15

B y

R n

P y

y

y

3:

y

y

y

n

n

6. Baseball Pitchers and Throwers Ten Exercise Program

USA

Health business

Consult ads

66.3

13.14

12–13

B y

R n

P n

y

n

1:

n

n

y

n

n

7. FIFA 11 + Injury Prevention Advanced Warmup via wakemed.org

USA, Norway

Health business

Consult ads

65.8

15.67

12–13

B y

R n

P y

y

y

1:

n

n

y

n

n

8. FIFA 11 + Injury Prevention Basic Warm-Up via wakemed.org

USA, Norway

Health business

Consult ads

65.3

16.99

12–13

B y

R n

P y

y

y

1:

n

n

y

n

n

9. Footy First

Australia

Public education, academic, community

Club ads

44.3

17.73

14–15

B y

R n

P y

y

y

4:

y

y

y

y (2011)

n

10. GAA15 for Gaelic Games athletes

Ireland

Public education, academic

No ads

55.8

22.53

12–13

B y

R n

P y

y

y

2:

y

n

y

n

n

11. Hamstring Injury Prevention

USA

Health business

Consult ads

58.1

11.65

14–15

B n

R n

P n

n

y

1:

n

n

y

n

n

12. Injury Prevention Routine by Seattle Pediatric Sports Medicine

USA

Health business, public education

No ads

80.3

4.16

12–13

B n

R n

P y

y

y

1:

n

n

y

n

n

13. Injury Prevention Workout for Basketball via stack.com

USA

Public education

Product ads

61.8

13.63

13–14

B y

R n

P n

n

n

2:

y

n

n

y (2012)

n

14. KIPP (Knee Injury Prevention Program)

USA

Health business

Consult ads

61.6

15.95

13–14

B y

R n

P y

n

y

4:

y

y

y

y (2006–2007)

n

15. The KNEE Programme Netball

Australia

Public education

Consult ads

44.3

20.21

14–15

B y

R n

P y

n

y

2:

y

n

y

n

n

16. Little League Baseball Injury Prevention Programme by Massachusetts General Hospital Sports Medicine

USA

Health business

No ads

96.7

4.76

6–7

B y

R n

P y

y

n

2:

y

n

y

n

n

17. NetballSmart by Netball New Zealand

New Zealand

Public education

Product ads

64.5

12.59

12–13

B y

R n

P y

y

y

3:

n

y

y

y (2019)

n

18. OSTRC Shoulder Injury Prevention Programme for handballers

Norway

Public education, academic

No ads

64.1

19.57

13–14

B y

R n

P n

n

y

4:

y

y

y

y (2017)

n

19. PEP (Prevent Injury, Enhance Performance)

USA

Academic, health business

Consult ads

73.2

14.08

11–12

B y

R n

P y

y (for stretching only)

n

1:

n

n

y

n

n

20. Professional Physical Therapy Injury Prevention Programme for young soccer players

USA

Health business, public education

Consult ads

43.7

25.67

15–16

B y

R n

P y

n

y

2:

n

n

y

y (2014)

n

21. Sanford Knee Injury Prevention Program

USA

Health business

Consult ads

91.8

6.19

7–8

B y

R n

P y

y

n

2:

n

y

y

n

n

22. Sports Conditioning for the Female Knee: An Injury Prevention Program

USA

Health business

Consult ads

86.1

8.38

10–11

B y

R n

P y

n

n

3:

y

y

y

n

n

23. Sports Injury Prevention by PhysioAdvisor.com

Australia

Health business

Consult ads, product ads, membership ads

23.7

30.85

16–17

B y

R n

P y

y

n

3:

y

n

y

y (2019)

n

24. Sports Physiotherapy Sideline Safety Workbook

New Zealand

Public education

No ads

91.9

4.81

7–8

B y

R n

P y

y

n

2:

y

n

y

n

n

25. Stop sports injuries: An injury Prevention Curriculum for Coaches

USA

Health business, public education

No ads

74.7

5.19

12–13

B y

R n

P y

n

n

4:

y

y

y

y (2011)

n

26. The 11

USA, Norway

Public education

No ads

84.6

6.40

8–9

B y

R n

P y

y

n

2:

y

n

y

n

n

27. Warm-up, Cool-down and Stretch by ACC SportSmart

New Zealand

Public education

No ads

90.5

6.35

7–8

B y

R n

P y

y

n

1:

n

y

n

n

n

28. Warm-up exercises for Field Hockey by JYPhysiotherapy

UK

Health business

Consult ads

63.3

15.28

13–14

B y

R n

P n

n

y

2:

y

y

n

n

n

29. WIPP programme

USA

Health business

Consult ads, product ads

59.5

19.93

13–14

B y

R n

P n

y

n

1:

n

n

y

n

n