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JavaScript is a lightweight, object-oriented, cross-platform scripting language.

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

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

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

Angular is a JavaScript library for building web applications, developed by Google.

Sails is a MVC framework for Node.js.

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

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

Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl.

Alibaba a Chinese e-commerce and cloud computing company.

Tencent is a Chinese IT and telecommunication company. This includes its QQ brand and others.

Alibaba a Chinese e-commerce and cloud computing company.

Tencent is a Chinese IT and telecommunication company. This includes its QQ brand and others.

HiChina is a Chinese internet services provider owned by Alibaba.

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

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

The SSL certificate is invalid because it is not issued for the domain where it is used.

The Baidu Resource Library provides hosted JavaScript libraries, provided by Baidu.

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.

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

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

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

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

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

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

Gzip (GNU zip) is a file compression algorithm.

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

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

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

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

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

HTML5 is the fifth revision of the HTML standard.

Transitional version of HTML.

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

GB18030 is the official character set of the People's Republic of China supporting simplified and traditional Chinese characters.

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.

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

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