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. 2019 May 2;21(5):e12522. doi: 10.2196/12522

Table 6.

Evaluation of design.

Indicators Criteria
Interface design (n=16)
  Overall appearance (n=9) [30,32,39,44,46,49,59,62,64]
    Boring and bland design (–a) Aesthetics (–)
    Commercial nature/feel (–) Objectivity (–)
    Modern look (+b) Aesthetics (+), Identification (+)
    Professional (+) Expertise (+), Trustworthiness (+)
    High visual quality (+) Trustworthiness (+), Aesthetics (+)
    Soft colors (+) Aesthetics (+)
  Graphics (n=9) [18,32,40,44,49,54,64,66,67]
    Too many graphics (–) Aesthetics (–)
    Use of flash (–) Aesthetics (–), Accessibility (–)
    Poor graphics (–) Aesthetics (–)
    Inappropriate graphics (–) Relevance (–), Trustworthiness (–)
    The existence of brand logo (+) Trustworthiness (+)
    Relevant illustrations (+) Relevance (+)
  Font (n=5) [18,32,44,49,68]
    Large font size (+) Accessibility (+)
    Font color low contrast (–) Accessibility (–)
Interaction design (n=14)
  Links (n=4) [45,48,49,55]
    Link to other websites (+) Trustworthiness (+), Interactivity (+)
    Plenty of links (+) Interactivity (+)
    Broken links (–) Accessibility (–), Trustworthiness (–)
    Easy access to further details and sources (+) Accessibility (+)
    Downloadable PDF documents for bibliographies and laws (+) Accessibility (+)
  Interactive functions (n=7) [30,32,44,46,49,61,62]
    Search capabilities (+) Interactivity (+)
    Places to interact and share with other site visitors (+) Interactivity (+)
    “Ask experts” (+) Interactivity (+), Expertise (+)
    Self-management and assessment tools (±c) Usefulness (+), Accuracy (–), Objectivity (–)
  Other interactive features (n=9) [30,32,40,46,48,61,63,68,69]
    Slow loading time (–) Accessibility (–)
    Required login (–) Accessibility (–), Anonymity (–)
    Absence of pop-ups (+) Accessibility (+)
    Multimedia feature (+) Interactivity (+), Learnability (+)
Navigation design (n=9) [30,32,44,46,49,54,58,68,69]
  Relevant info on home page (+) Navigability (+)
  Clear entry point (+) Navigability (+), Accessibility (+)
  Easy return to home page (+) Navigability (+)
  Navigation aids (+) Navigability (+)
  Navigation links (+) Navigability (+)
  Site map (+) Navigability (+)
  Side tool bars (+) Navigability (+)
  Different ordering structures (+) Navigability (+)
  Clear indication when taken offsite (+) Navigability (+), Transparency (+)
  Easy transition between two or more sites (+) Navigability (+)
  “Back” button as the only way to exit (–) Navigability (–), Accessibility (–)
  Heavily relied on dropdown menu (–) Navigability (–)
  Continually sending users offsite (–) Interactivity (–), Trustworthiness (–)
Security settings (n=2) [39,57]
  Secure sites (+) Security (+)
  Recognized by antivirus software (+) Security (+)

a– indicates a negative evaluation of quality or that a criterion is judged negatively.

b+ indicates a positive evaluation of quality or that a criterion is judged positively.

c± could entail both positive and negative evaluations or a criterion could be judged both positively and negatively.