Akismet is a service that filters spam from comments, trackbacks, and contact form messages.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Open Graph is a protocol that is used to integrate any web page into the social graph.
PHP is a general-purpose scripting language used for web development.
Sirdata is a self-service, third party data-collecting platform that specialises in the collection of behavioural data, predictive targeting and selling of audience segments.
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.
Yoast SEO is a search engine optimisation plugin for WordPress and other platforms.