Skimlinks offers full transparency into the publishers driving traffic and sales to CJ Merchants via CJ's interface as well as referring URL information.
For domain-level reporting, use the Performance by Website report in the CJ reporting suite. Go to Reports Tab > select "website" from the "Performance by" drop-down and filter the report by the Skimlinks CID to see Skimlinks Publisher domains.
To see the referring URL, go to Reports Tab > Transaction Reports > Commission Detail Report. Filter to Skimlinks and be sure to check “Referring Click URL” in the column selector tool.