The primary purpose of informing users is to support participation; based on the results of the questionnaire conducted as part of my doctoral research, these design principles are moderately to very influential on the decision to contribute and sustained participation.

Websites for CCH can effectively inform users by:

Providing clear, concise and sufficient task instruction

Showing how project output is or will be made freely accessible to the public

Keeping the website current

Prioritizing key information

Presenting reasons to contribute

Displaying project progress

Conveying the credibility of the project