1) Authorship—people responsible for the displayed contents.

2) Promoting body—institution that supports the website.

3) Endorsement—relevant professional or academic institutions that give guarantees and endorse the site.

4) Coherence of the title and the content.

5) Dates of creation and Web publication.

6) Date of update—last change.

7) Links—functioning of the three first links, if they exist (from left to right and top to bottom on the homepage).

8) Coherence of links—relationship and pertinence of the external sites to the subject of the text.

9) Existence of contact details—means for contacting those responsible: addresses, telephone numbers, electronic mail, etc.

10) Contact validity—response from the person responsible for the website when receiving a personal request for information.

11) Help—visible presence of help that makes understanding the website easier.

12) Information management—option of saving or easily generating a file in pdf format for printing.

13) Navigability—use of the homepage and related pages without the need to use specific software.

14) Usability—absence of difficulties for people with special needs (visual, hearing, physical or cognitive impairment.) Preferably with the W3C certification.

15) Certification—legitimacy of structural quality or of contents confirmed by certifying bodies: HONcode, etc.

16) Conflicts of interest—declaration of any secondary influence, usually economic or personal.

17) Objectivity—clarity of ideological, moral, ethical, religious, commercial and personal opinions.