Apache is a free and open-source cross-platform web server software.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
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.
Kameleoon is a personalisation technology platform for real-time omnichannel optimisation and conversion.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
A modest JavaScript framework for the HTML you already have.
Varnish is a reverse caching proxy.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.