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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.

Underscore is a JavaScript library that provides functional programming support.

Lodash is a JavaScript utility library delivering modularity.

Moment.js is a library to manipulate dates in JavaScript.

Backbone is a JavaScript library providing a framework for defining models in applications.

Vue.js is a JavaScript library for building interactive web interfaces, based on the Model View ViewModel pattern.

RequireJS is a JavaScript file and module loader.

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

Ember.js is an open source JavaScript templating library.

Popper is an open source JavaScript library for tooltips and popovers.

Handlebars is a JavaScript template engine largely compatible with Mustache.

Mustache.js is a JavaScript implementation of the mustache template engine.

p5.js is a JavaScript library that aims to make coding accessible for artists, designers, educators, and beginners.

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.

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

BootCDN is a Chinese service for hosting JavaScript and other static files.

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.

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 Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address.

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

HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.

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/.

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.

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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