cdnjs is a free distributed JS library delivery service.
Cookiebot is a cloud-driven solution that automatically controls cookies and trackers, enabling full GDPR/ePrivacy and CCPA compliance for websites.
Django is a Python-based free and open-source web application framework.
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.
A modest JavaScript framework for the HTML you already have.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.