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Site Info - Wikipedia.org

Overview of web technologies used by Wikipedia.org.

Website Background

Wikipedia
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

Description on Homepage

13 January 2001

Online since

Number 5 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
United States21.6%6
Japan7.2%8
India5.7%7

Main visitors locations

MediaWiki is an open source wiki-style content management system written in PHP, originally developed for Wikipedia by Lee Daniel Crocker.

MediaWiki 1.31.0
(version 1.30.0 used until recently)
(0% of sites use a newer version)

PHP is a popular scripting language for creating web pages.

PHP

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

JavaScript

HTML5 is the fifth revision of the HTML standard.

HTML5

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

UTF-8

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

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

JPEG

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

GIF
(used until recently)

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

External CSS

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

Embedded CSS

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

Inline CSS

Persistent cookies with an expiration time between 1 month and 1 year.

Cookies expiring in months

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

HttpOnly Cookies

Secure cookies are used only via an encrypted connections, which may increase security.

Secure Cookies

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache.

Weak ETag

The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address.

IPv6

HTTP/2 is the second major version of the HTTP network protocol.

HTTP/2

HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.

HTTP Strict Transport Security

The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.

Default subdomain www

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.

Default protocol https

The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph.

Open Graph

DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.

DigiCert

The Wikimedia Foundation is a non-profit organization that operates Wikipedia and other wikis, based in USA.

Wikimedia
hosting info based on data from ipinfo.io

Non-profit organizations

.org

United States
Netherlands

English
Russian
Japanese
German
Spanish
French
Portuguese
Italian
Chinese
Polish
Persian
Turkish
Dutch, Flemish
Korean
Czech
Arabic
Vietnamese
Greek
Swedish
Hungarian
Romanian
Indonesian
Danish
Slovak
Finnish
Thai
Bulgarian
Hebrew
Ukrainian
Lithuanian
Croatian
Norwegian Bokmål
Serbian
Catalan, Valencian
Slovenian
Latvian
Estonian
Hindi
Azerbaijani
Bosnian
Malay
Icelandic
Macedonian
Georgian
Basque
Bengali
Albanian
Galician
Urdu
Norwegian Nynorsk
Tamil
Afrikaans
Belarusian
Breton
Swahili
Malayalam
Marathi
Telugu
Irish
Kurdish
Welsh
Esperanto
Tagalog
Luxembourgish, Letzeburgesch
Gujarati
Latin
Asturian, Bable, Leonese, Asturleonese
Occitan, Provençal
Javanese
Western Frisian
Haitian, Haitian Creole
Aragonese
Quechua
Sundanese
Cebuano
Chuvash
Ido
Low German, Low Saxon
Nepal Bhasa, Newari
Sicilian
Volapük
Walloon
Neapolitan

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 Score635859100
Content Management Systems58371100
Server-side Programming Languages679143
Client-side Programming Languages7510050
Markup Languages678253
SSL Certificate Authorities471580

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