Attribute

Percentage

IC 95%

Author not identified

27.7

22.44 - 32.96

Organization body not identified

30.2

24.82 - 35.61

No institutional validation

32.3

26.87 - 37.87

Lack of title coherence

1.8

0.24 - 3.36

No creation date

78

73.19 - 82.92

No update date

100

100 - 100

Invalid links (first three)

9.3

5.93 - 12.78

Lack of coherence between the links

80.3

75.42 - 85.20

Non-existence of contact details

14.7

10.58 - 18.92

Invalid contact details

29.5

23.73 - 35.34

Absence of help texts

12.9

9.00 - 16.90

Lack of information management

71.

66.28 - 76.88

Difficult to navigate

1.08

0.00 - 2.29

Compromised usability

2.9

0.91 - 4.84

Lack of certification

99.7

98.94 - 100

Absence of conflict of interests declaration

100

100 - 100

Lack of objectivity

76.9

72.03 - 81.93