Piwik is an open source analytics platform currently used by individuals, companies and governments all over the world. With Piwik, your data will always be yours. Learn why Piwik is the right web analytics tool for you below.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity. It lets you write beautiful code by favoring convention over configuration.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.
Chrome for Android, since version 39 supports the "theme-color" meta tag to allow websites control the background color of the tab's UI header.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
Open graph description entity tag
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook