Our plugin allows to include an intelligent product ranking into your blog. Ranking is inserted via a simple shortcode [ feecompass ]
Our rankings is a SaaS and output inserted as an html iframe into your blog. It does not generate load on your site. No data about your users is transmitted to our servers. We collect only usage statistics on our domain only.
It is free to use and the api key is necessary to share revenue generated by your traffic (i.e. we pay you). More information and a live example blog using our plugin (in polish at the moment) https://bloggers.feecompass.com. Current version of our service covers washing machines on polish market