Google Analytics is a service offered by Google that generates detailed statistics about a website's traffic and traffic sources and measures conversions and sales. Google Analytics can track visitors from all referrers, including search engines and social networks, direct visits and referring sites. It also displays advertisin...
Crazy Egg allows website owners to create tests to figure out what people are doing on their website.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
The Apache HTTP Server is an open-source HTTP server for modern operating systems including UNIX, Microsoft Windows, Mac OS/X and Netware. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services observing the current HTTP standards. Apache has been the most popular web server ...
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
mod_pagespeed is an open-source Apache module that automatically optimizes web pages and resources on them.
The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.