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Site Info - Britannica.com

Overview of web technologies used by Britannica.com.

Website Background

Encyclopedia Britannica
Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Description on Homepage

Encyclopaedia Britannica Online
Provides complete text of Encyclopaedia Britannica with search capabilities, related links, and multimedia enhancements. Full text for subscribers only; free trial available.

Description from Alexa

14 June 1995

Online since

Number 5,318 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
United States38.4%2,507
India12.9%4,665
United Kingdom4.5%3,402
CityVisitorsCity Rank
New York, NY, US3%2,985
Los Angeles, CA, US2.7%3,032
San Francisco, CA, US2.1%1,970

Main visitors locations

Java is a general-purpose language originally developed by Sun Microsystems.

Java

JavaScript is a lightweight, object-oriented, cross-platform scripting language, mainly used within web pages.

JavaScript

JQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.

JQuery 1.9.1
(version 1.8.2 used until recently)
(0% of sites use a newer version)

HTML - Hypertext Mark-up Language - is the a language to define web pages.

HTML

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

UTF-8

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

JPEG

PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF.

PNG

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

GIF

External Cascading Style Sheets define style rules in a separate CSS file.

External CSS

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS

Session cookies are temporary cookies, which are deleted when the user closes the browser.

Session Cookies

Persistent cookies with an expiration time between 1 and 10 years.

Cookies expiring in years

HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.

HttpOnly Cookies

Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.

Non-HttpOnly Cookies

Non-secure cookies may be used via an unencrypted connections, which may be a security threat.

Non-Secure Cookies

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

Thawte is an SSL certificate authority owned by Symantec.

Thawte

Facebook Social Plugins provide a way for Facebook users to share web pages with their friends.

Facebook

The Apache HTTP Server is a popular open source web server by the Apache Software Foundation.

Apache 2.2.22
(19% of sites use a newer version)

Unix is a range of operating systems originally developed at Bell Labs. This contains Unix and Unix-like system, such as Linux.

Unix

The Google Libraries API is a content distribution network for the most popular, open-source JavaScript libraries, provided by Google.

Google Libraries API

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google.

Google Analytics

Quantcast provides visitor statistics of web sites.

Quantcast

KISSmetrics is a website analytics solution that provides visual representations of conversion funnels.

KISSmetrics
(used until recently)

Casale Media is an advertising network.

Casale Media

Commercial entities

.com

English

Technology Score

The technology score rates a site based on its technologies in a range from 0 to 100. It consists in a popularity score (how many sites use the same technologies), a traffic score (how much traffic have other sites using the same technologies) and a version score (how many sites use more recent technology versions). Quality alerts also affect the rating.

TotalPopularity TrafficVersion
Technology Score63675591
Server-side Programming Languages451773
Client-side Programming Languages7610052
JavaScript Libraries839652100
Markup Languages606653
SSL Certificate Authorities422856
Social Widgets668053
Web Servers68814381
Operating Systems638144
JavaScript Content Delivery Networks749653
Traffic Analysis Tools808970
Advertising Networks33659

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