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...
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
Lightweight open-source web server, Security, speed, compliance, and flexibility -- all of these describe lighttpd (pron. lighty) which is rapidly redefining efficiency of a webserver
Mandrill is a scalable and affordable email infrastructure service, with all the marketing-friendly analytics tools you've come to expect