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Document Object Model, a programming interface for web documents that represents the page so that programs can change the document structure, style, and content.

Application Programming Interface, a set of protocols and tools for building software and applications.

Asynchronous JavaScript and XML, a set of web development techniques using many web technologies on the client side to create asynchronous web applications.

Search Engine Optimization, the process of improving the quality and quantity of website traffic by increasing the visibility of a website or a web page to users of a web search engine.

An interpreted programming language that conforms to the ECMAScript specification, commonly used to add interactivity to web pages.

An approach to web design that makes web pages render well on a variety of devices and window or screen sizes.

A distributed version-control system for tracking changes in source code during software development.

Cascading Style Sheets, a style sheet language used for describing the presentation of a document written in HTML or XML.

An open standard for access delegation, commonly used as a way for Internet users to grant websites or applications access to their information without giving them the passwords.

Hypertext Transfer Protocol Secure, an extension of HTTP for secure communication over a computer network.

A preprocessor scripting language that is interpreted or compiled into Cascading Style Sheets (CSS).

Techniques in CSS that allow style rules to be applied only when certain conditions are true, particularly useful in creating responsive web designs.

Content Delivery Network, a system of distributed servers that deliver pages and other web content to a user, based on the geographic locations of the user, the origin of the webpage, and the content delivery server.

Images that work well on devices with widely differing screen sizes, resolutions, and other such features.

Node Package Manager, a package manager for the JavaScript programming language. It is the default package manager for the JavaScript runtime environment Node.js.

An open-source front-end framework for designing websites and web applications. It contains CSS- and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

An open standard that defines a binary-code format for executable programs that enables high-performance applications on web pages.

Representational State Transfer, an architectural style for providing standards between computer systems on the web, making it easier for systems to communicate with each other.

A framework is a collection of programs that do something useful and which you can use to develop your own applications. Libraries are collections of precompiled routines that a program can use.

HyperText Markup Language, the standard markup language used to create web pages.

A web storage method that allows JavaScript sites and apps to store and access data right in the browser with no expiration date.

Similar to local storage, session storage is a part of the Web Storage API, but it has a shorter lifespan: data stored is cleared when the current browsing session ends.

Model-View-Controller, a software architectural pattern for implementing user interfaces on computers.

Progressive Web App, a type of application software delivered through the web, built using common web technologies including HTML, CSS, and JavaScript. It is intended to work on any platform that uses a standards-compliant browser, including both desktop and mobile devices.

An open-source data query and manipulation language for APIs, and a runtime for executing queries with existing data.

A lightweight alternative to full machine virtualization that involves encapsulating an application in a container with its own operating environment.

An architectural style that structures an application as a collection of services that are highly maintainable and testable, loosely coupled, independently deployable, and organized around business capabilities.

JavaScript Object Notation, an open standard file format and data interchange format that uses human-readable text to store and transmit data objects.

An open-source JavaScript module bundler. It is made primarily for JavaScript, but it can transform front-end assets like HTML, CSS, and images if the corresponding loaders are included.