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.
Handlebars is a JavaScript library used to create reusable webpage templates.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
LottieFiles is an open-source animation file format that's tiny, high quality, interactive, and can be manipulated at runtime.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Typekit is an online service which offers a subscription library of fonts.
Unpkg is a content delivery network for everything on npm.