Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Query Migrate is a javascript library that allows you to preserve the compatibility of your jQuery code developed for versions of jQuery older than 1.9.
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.
PHP is a general-purpose scripting language used for web development.
SPIP is a content management system written in PHP that uses one or more databases like SQL, SQLite or PostgreSQL.