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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Simpli.fi is a programmatic advertising and agency management software.
Typekit is an online service which offers a subscription library of fonts.
W3.CSS is a CSS framework developed by the World Wide Web Consortium (W3C), the main international standards organisation for the World Wide Web.
Wistia is designed exclusively to serve companies using video on their websites for marketing, support, and sales.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.