The following are list of online resources that may be helpful when working with conversion students. Not all of will be useful but it might be helpful to get familiar with what your congregants will be encountering when searching for information on conversion online.
Reform Movement Online Resources
Union For Reform Judaism's Conversion Page which includes:
Union for Reform Judaism's Outreach Page which includes:
Other Movement Pages About Conversion and Outreach
Websites About Conversion and Outreach
Basic Judaism Websites