Technologies in use by

All Twitter's social tools, including buttons and timeline widgets.

Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.

The Tweet Button is a small widget which allows visitors to share content and connect on Twitter.

jQuery: The Write Less, Do More, JavaScript Library.

Ext JS is a cross-browser JavaScript library for building rich internet applications.

Websites with link to their Android app.

Websites with link to their IOS app.

This site uses the viewport meta tag which means the content may be optimized for mobile content.

A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.

A pingback is one of four types of linkback methods for Web authors to request notification when somebody links to one of their documents. This enables authors to keep track of who is linking to, or referring to their articles.

Create a live chat group on your site.

A semantic personal publishing platform with a focus on aesthetics, web standards, and usability.

Strato web hosting services

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 ...

The DOCTYPE is a required preamble for HTML5 websites.

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

By adding rel="home" to a hyperlink, a page indicates that the destination of that hyperlink is the homepage of the site in which the current page appears.

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