_hyperscript is a scripting language for adding interactivity to the front-end.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Htmx is a JavaScript library for performing AJAX requests, triggering CSS transitions, and invoking WebSocket and server-sent events directly from HTML elements.
Leaflet is the open-source JavaScript library for mobile-friendly interactive maps.
Unpkg is a content delivery network for everything on npm.