AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Klaviyo is an email marketing platform for online businesses.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Pinterest is an image sharing and social media service designed to enable saving and discovery of information.