Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.

Node.js is an open-source, cross-platform, JavaScript runtime environment that executes JavaScript code outside a web browser.

Cloud CDN uses Google's global edge network to serve content closer to users.

Google Cloud is a suite of cloud computing services.

Google Cloud Trace is a distributed tracing system that collects latency data from applications and displays it in the Google Cloud Console.

Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.

Contact Form 7 is an WordPress plugin which can manage multiple contact forms. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering.

Polylang is a WordPress plugin which allows you to create multilingual WordPress site.

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.

Sites using the WordPress Block Editor, also known as Gutenberg.

PHP is a general-purpose scripting language used for web development.

MySQL is an open-source relational database management system.