Websites using some form of Captcha technology on them.
Anti-bot CAPTCHA widget that helps digitize books by providing snippets of books for people to enter the text for. Owned by Google.
mustache.js is an implementation of the mustache template system in JavaScript.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
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 ...
Hetzner Online GmbH is an Internet hosting company and data center operator based in Gunzenhausen, Germany. It should not be confused with its South African namesake and partner company, Hetzner Ltd — the two are separate companies registered and incorporated in their own rights under the applicable country laws.
Websites hosted on Hetzner Germany region.
The IPS Community Suite is a flexible, integrated set of apps for building great communities on the web.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
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.
Google's hosted library for web fonts. Allows websites to choose and use fonts from a free, wide variety of fonts.