Google Analytics Display Advertising Retargeting Pixel.
Google Analytics Dynamic Display Advertising Retargeting Pixel.
Crazy Egg allows website owners to create tests to figure out what people are doing on their website.
FancyBox is a tool for displaying images, html content and multi-media in a Mac-style "lightbox" that floats overtop of web page.
Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.