Apache is a free and open-source cross-platform web server software.
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.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Simple parallax scrolling effect.
Swup is a versatile and expandable library for implementing page transitions on websites that use server-side rendering.
Unpkg is a content delivery network for everything on npm.