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Moodle is a web-based open source course management system based on PHP.

PHP is a scripting language for creating websites.

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

RequireJS is a JavaScript file and module loader.

The Yahoo! User Interface (YUI) Library is a JavaScript library developed by Yahoo. The YUI library is no longer actively maintained.

MathJax is a JavaScript engine for displaying mathematical formulas.

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

Huawei is a Chinese multinational technology corporation, also offering cloud computing services.

Huawei is a Chinese multinational technology corporation, also offering cloud computing services.

GoDaddy is a provider of internet services. This includes the former brand Media Temple.

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

jsDelivr is a service for hosting JavaScript files.

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.

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.

Gzip (GNU zip) is a file compression algorithm.

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

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

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.

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