Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Site Kit is a one-stop solution for WordPress users to use everything Google has to offer to make them successful on the web.
WordPress Super Cache is a static caching plugin for WordPress.
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.
WPML plugin makes it possible to build and run fully multilingual WordPress sites.