Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Analytics is a free web analytics service that tracks and reports website traffic.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Square is a mobile payment company that offers business software, payment hardware products and small business services.
Typekit is an online service which offers a subscription library of fonts.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.