Table 3.

Data from website home pages and other webpages.

Data collected	Example of data collected	Total number of web pages or documents
Website home pages	Site purpose; platform characteristics (eg, target user groups, number of registered users); description of the platform tools	12
Frequently asked questions	Platform tools, funding sources, and rules pertaining to the website use	32
Site owner information	About us, site, site owners or investors, site mission, testimonials, news releases, and owner webpages	40
Registration process	Registration form	12
Sponsors and partners	Sponsors, partners, and promotional information for the sponsors and partners	37
Tools	Tools and description of tools	133
Terms of use	Policies relating to the use of the platform; how to dispute issues; how to remove user information or terminate account	11
Privacy policies	Policies relating to how user information are collected and used	11
Other rules or policies	Rules relating to forums, advertising and editorial policies, and other rules governing the platform use	5