Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Google Publisher Tag (GPT) is an ad tagging library for Google Ad Manager which is used to dynamically build ad requests.
Open Graph is a protocol that is used to integrate any web page into the social graph.
WP Rocket is a caching and performance optimisation plugin to improve the loading speed of WordPress websites.
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.