Google Publisher Tag (GPT) is an ad tagging library for Google Ad Manager which is used to dynamically build ad requests.
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.
Mustache is a web template system.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Simple parallax scrolling effect.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.