Akismet is a service that filters spam from comments, trackbacks, and contact form messages.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Gravatar is a service for providing globally unique avatars.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Twenty Twenty is the default WordPress theme for 2020.
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.