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.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
OneTrust is a cloud-based data privacy management compliance platform.
PHP is a general-purpose scripting language used for web development.
Yii is an open-source, object-oriented, component-based MVC PHP web application framework.