Google Analytics is a free web analytics service that tracks and reports website traffic.
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.
Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
Linkedin Ads is a paid marketing tool that offers access to Linkedin social networks through various sponsored posts and other methods.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.
Progress Sitefinity is a content management system (CMS) that you use to create, store, manage, and present content on your website.
A modest JavaScript framework for the HTML you already have.