Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Drupal is a free and open-source web content management framework.
Google Publisher Tag (GPT) is an ad tagging library for Google Ad Manager which is used to dynamically build ad requests.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Permutive is a publisher-focused data management platform.
Quicklink is a JS library which aims to be a drop-in solution for sites to prefetch links based on what is in the user's viewport.
Unpkg is a content delivery network for everything on npm.