Constant Contact is a marketing automation and email marketing solution.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Gutenberg is the code name for the new block based editor introduced in WordPress 5.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.