Apache is a free and open-source cross-platform web server software.
Etracker is a web optimisation solution.
Google Ads Conversion Tracking is a free tool that shows you what happens after a customer interacts with your ads.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
PHP is a general-purpose scripting language used for web development.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.