Offical Wordpress plugin for Amazon Associates.
https://wordpress.org/plugins/amazon-associates-link-builder/
Widgets
Get access to data on 49,161 websites that are Amazon Associates Link Builder Customers. We know of 40,096 live websites using Amazon Associates Link Builder and an additional 9,065 sites that used Amazon Associates Link Builder historically and 26,469 websites in the United States.
Get a list of 49,161 websites using Amazon Associates Link Builder which includes location information, hosting data, contact details, 40,096 currently live websites and an additional 11,603 domains that redirect to sites in this list. 9,065 sites that used this technology previously and 26,469 websites in the United States currently using Amazon Associates Link Builder.