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Site Info - Overdrivechina.cn

Overview of web technologies used by Overdrivechina.cn.

Website Background

欢迎访问OverDrive, Inc.(赛阅公司)中国子公司网站!

Description on Homepage

Top 10m among all websites

Popularity rank

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

JavaScript
used on a subdomain

China Telecom (China Telecommunications Corporation) is a Chinese state-owned telecommunication company.

China Telecom
hosting info partly based on data from ipinfo.io

China Telecom (China Telecommunications Corporation) is a Chinese state-owned telecommunication company.

China Telecom

CacheFly is a US-based content delivery network.

CacheFly
used on a subdomain

Proofpoint provides email protection and other IT security services.

Proofpoint

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

GlobalSign

New Relic is a web application performance management tool.

New Relic
used on a subdomain

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

External CSS
used on a subdomain

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
used on a subdomain

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

Session Cookies
used on a subdomain

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

HttpOnly Cookies
used on a subdomain

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

Non-HttpOnly Cookies
used on a subdomain

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

Secure Cookies
used on a subdomain

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

Non-Secure Cookies
used on a subdomain

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression
used on a subdomain

A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache.

Strong ETag

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
used on a subdomain

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
used on a subdomain

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

Cookies expiring in years
used until recently

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
used on a subdomain

Twitter Cards enable automatic attachment of photos, videos and media elements to Tweets.

Twitter Cards
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

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
used on a subdomain

China

.cn

China

 

 

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