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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
CSDN是全球知名中文IT技术交流平台,创建于1999年,包含原创博客、精品问答、职业培训、技术论坛、资源下载等产品服务,提供原创、优质、完整内容的专业IT技术开发社区.

Description on Homepage

11 March 1999

Online since

Number 28 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
China88%13
United States4.4%146
Japan3.7%73

Main visitors locations

Website Quality Alerts

Found on page https://blog.csdn.net/blockchain_lemon/article/details/105570721
The text-processing language "zh" specified in the HTML content language attribute is not amongst the languages specified in the HTTP content-language header.

Contradictory content language specifications

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JavaScript is a lightweight, object-oriented, cross-platform scripting language, often 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
82% 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

MathJax is a JavaScript engine for displaying mathematical formulas.

MathJax
used on a subdomain

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

Nginx

Alibaba a Chinese e-commerce and cloud computing company.

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

Alibaba a Chinese e-commerce and cloud computing company.

Alibaba

Alibaba is a Chinese e-commerce and cloud computing provider.

Alibaba

Tencent is a Chinese IT and telecommunication services provider. This includes its QQ and other brands.

Tencent

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

DigiCert

Baidu Analytics (Tongji) is a web analytics service by Baidu.

Baidu Analytics

The Google Advertising network consists of AdSense, DoubleClick and other services.

Google Ads
used on a subdomain

Baidu Promote is the advertising network of the Chinese web services company.

Baidu Promote
used on a subdomain

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
used on a subdomain

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/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

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

Cookies expiring in months
used until recently

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

HttpOnly Cookies
used until recently

JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.

JSON-LD
used on a subdomain

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

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

SVG

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

GIF

Network providers

.net

China

Chinese

 

 

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