PUBLIC MARKS with tags ASIN & amazon

Gather information about Web sites including traffic data, contact info, related links and more. Access an XML-based search index based on Alexa’s Web crawl and incorporate search results into your site or service. Build a Web directory into your site or service using an Alexa enhanced DMOZ-based browse service. Use the Alexa WebMap to gather links-in and links-out information about all pages on the Web and invent wholly new search engine algorithms.

サイトに専用ASIN（Amazon Standard Identification Number）を割り当てられる。Amazonの取り扱い商品と同じようにレビューをつけたり、関連サイトをリスト表示させたりできるらしい。