Apache is a free and open-source cross-platform web server software.
Debian is a Linux software which is a free open-source software.
Etracker is a web optimisation solution.
Google Analytics is a free web analytics service that tracks and reports website traffic.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
ProcessWire is an open source content management system (CMS) and framework (CMF).