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WordPress is an open source blog publishing and content management system, based on PHP and MySQL.

PHP is a scripting language for creating websites.

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.

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

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

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

Animate is a CSS library focusing on animations.

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

Alibaba a Chinese e-commerce and cloud computing company.

Alibaba a Chinese e-commerce and cloud computing company.

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.

Certum (formerly Unizeto) is a Polish SSL certificate authority owned by Asseco.

Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.

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

The Weibo Share Button enables website visitors to share content on the Chinese Weibo microblogging site.

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

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

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

Secure cookies are used only via an encrypted connections, 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.

QUIC (Quick UDP Internet Connections) is an experimental network protocol, originally designed by Google and submitted to IETF standardization.

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

HTML5 is the fifth revision of the HTML standard.

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

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.

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

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