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.
nopCommerce is an open-source ecommerce solution based on Microsoft's ASP.NET Core framework and MS SQL Server 2012 (or higher) backend database.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.