Technologies in use by

Websites that accepts payments with American Express.

LiveInternet - крупный сервис дневников и сообществ, авторитетный сервис статистики для сайтов.

AddThis, the new brand name for Clearspring Technologies, is the leader in socially connecting publishers, services and advertisers to audiences on the open web. Reaching more than 1.3 billion unique users monthly, AddThis’ social tools and analytics are used on more than 14 million unique domains to distribute and track digital...

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

Websites using some form of Captcha technology on them.

Google+ platform websites integration using the Google+ platform tag.

Let visitors recommend your content on Google Search and share it on Google+.

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

jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of the jQuery JavaScript Library. Whether you're building highly interactive web applications or you just need to add a date picker to a form control.

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

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

The DOCTYPE is a required preamble for HTML5 websites.

Wesites using favicon rel tag

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.

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.

A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".