Amazon Advertising (formerly AMS or Amazon Marketing Services) is a service that works in a similar way to pay-per-click ads on Google.
Google Publisher Tag (GPT) is an ad tagging library for Google Ad Manager which is used to dynamically build ad requests.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Jobvite is an applicant tracking software and recruiting platform.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Progress Sitefinity is a content management system (CMS) that you use to create, store, manage, and present content on your website.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
Rubicon Project is an advertising automation platform enabling publishers to transact advertising brands.
Varnish is a reverse caching proxy.