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Site Info - Csdn.net

Overview of web technologies used by Csdn.net.

Website Background

CSDN-专业IT技术社区

Description on Homepage

中国软件开发网

Description from Alexa

11 March 1999

Online since

Number 52 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
China95.3%17
Japan1.6%249
United States1.5%803

Main visitors locations

PHP is a popular scripting language for creating web pages.

PHP 5.5.23
(58% of sites use a newer version)

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
(73% of sites use a newer version)

Bootstrap is an open source HTML, CSS, and JavaScript framework.

Bootstrap

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the visitors browser.

Modernizr

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

Scalable Vector Graphics (SVG) is an XML-based vector image format.

SVG

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

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

Cookies expiring in years

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

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

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

Session Cookies
(used until recently)

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

DigiCert

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

Nginx

Alibaba a Chinese e-commerce company.

Alibaba
hosting info based on data from ipinfo.io, see details

Network providers

.net

China

Chinese

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 Score62785335
Server-side Programming Languages59914342
Client-side Programming Languages7510051
JavaScript Libraries57994627
Markup Languages698552
SSL Certificate Authorities512973
Web Servers596355

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