Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
BuddyPress helps you run any kind of social network on your WordPress, with member profiles, activity streams, user groups, messaging, and more.
Lightbox is small javascript library used to overlay images on top of the current page. It's a snap to setup and works on all modern browsers.
Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing API over a RESTful JSON interface.
Google Charts provide free charting for a website using charts driven by GET requests.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
AMP stands for Accelerated Mobile Pages, a Google-backed project designed as an open standard for any publisher to have pages load quickly on mobile devices. Google officially integrated AMP listings into its mobile search results.
A semantic personal publishing platform with a focus on aesthetics, web standards, and usability.
Google APIs are application programming interfaces developed by Google which allow communication with Google Services and their integration to other services.
A rich hosted Exchange environment for every user without having to manage a server.
Active Email Marketing adds a proactive approach to your email campaigns. Just like a smart marketer would analyze results and follow-up with additional actions, ActiveTrail identifies opportunities in your user’s behaviors and acts upon them automatically.
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.
A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.
The website contains Adobe Flash content embeded without the use of JavaScript.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".
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.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.