AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
ExoClick is a Barcelona-based online advertising company, which provides online advertising services to both advertisers and publishers.
Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
PHP is a general-purpose scripting language used for web development.