cdnjs is a free distributed JS library delivery service.
Drupal is a free and open-source web content management framework.
FormAssembly is a platform that enables to collection of data and processing via workflow.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Pantheon is a WebOps (Website Operations) and Management Platform for WordPress and Drupal.
Pingdom RUM(Real User Monitoring) is a feature of the Pingdom website monitoring and performance testing service. RUM enables you to collect and analyse data on how real users are experiencing your website.
Sucuri is a cybersecurity company that provides website security solutions and services.
Varnish is a reverse caching proxy.