cdnjs is a free distributed JS library delivery service.
Django is a Python-based free and open-source web application framework.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
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.
Heroku is a cloud platform as a service (PaaS) supporting several programming languages.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
Leaflet is the open-source JavaScript library for mobile-friendly interactive maps.
Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm.
Mapbox GL JS is a JavaScript library that uses WebGL to render interactive maps from vector tiles and Mapbox styles.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.