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

WooCommerce is an open source e-commerce platform based on WordPress.

BetterDocs is a WordPress-based knowledge base platform.

LearnPress is a learning management system plugin for WordPress by ThimPress.

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.

Tengine is an open source web server based on Nginx and originated by Taobao.

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

China Unicom (formerly China Netcom) is a Chinese telecom operator, also offering web hosting services.

Alibaba a Chinese e-commerce and cloud computing company.

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

China Unicom (formerly China Netcom) is a Chinese telecom operator, also offering web hosting services.

Alibaba a Chinese e-commerce and cloud computing company.

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

Alibaba Cloud CDN is the content delivery network by Alibaba.

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

HiChina is a Chinese internet services provider owned by Alibaba.

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

The validity of the SSL certificate has expired.

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

The CDNJS is a content distribution network, hosting a large number of JavaScript libraries, provided by CloudFlare.

WordPress Jetpack Stats is a visitor tracking plugin for the WordPress publishing platform.

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

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

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.

The frameset element is an HTML tag which specifies the layout of a web page in terms of rectangular subspaces.

Persistent cookies with an expiration time of up to 1 day.

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

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

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.

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

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

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/.

Persistent cookies with an expiration time of more than 10 years.

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

Brotli is a lossless compression algorithm developed by Google.

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.

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

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.

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

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

WebP is an image format that provides lossless and lossy compression, developed by Google.

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

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