Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Google Maps is a web mapping service. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, bicycle and air, or public transportation.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Phoenix Site software has been developed by the Internet Marketing Union and is especially intended for entrepreneurs (without technical knowledge) who want to score better in Google (SEO) and get more leads and customers (conversion) from their website.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.