Mixpanel is an advanced analytics service that helps improve web and mobile applications by tracking how users interact & engage with them. Mixpanel's mission is to help the world learn from their data, by offering a sophisticated analytics platform that companies can use to understand how users behave. Mixpanel performs all of ...
Spin.js dynamically creates spinning activity indicators that can be used as resolution-independent replacement for AJAX loading GIFs.
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
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.
Sites who has this tag are verfied by google to use WebMaster tools